Home / 74,207,354,221.65-111,311,031,332.49-38,821,036,372.05

Finding the Fourth Proportional to 74,207,354,221.65, 111,311,031,332.49 and 38,821,036,372.05

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Solution

The fourth proportional to 74,207,354,221.65, 111,311,031,332.49 and 38,821,036,372.05 is: 58,231,554,558.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,207,354,221.65 : 111,311,031,332.49 = 38,821,036,372.05 : x
  2. Step 2: Convert to fraction form
    74,207,354,221.65/111,311,031,332.49 = 38,821,036,372.05/x
  3. Step 3: Cross multiply
    74,207,354,221.65x = 111,311,031,332.49 × 38,821,036,372.05
  4. Step 4: Simplify right side
    74,207,354,221.65x = 4,321,209,595,968,991,789,056
  5. Step 5: Solve for x
    x = 4,321,209,595,968,991,789,056/74,207,354,221.65
  6. Step 6: Final answer
    x = 58,231,554,558.08

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Double scale
Find fourth proportional to 74,207,354,222.65, 111,311,031,333.99 and 38,821,036,373.05
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.