Home / 74,207,354,021.40-111,311,031,032.10-38,821,036,171.80

Finding the Fourth Proportional to 74,207,354,021.40, 111,311,031,032.10 and 38,821,036,171.80

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Solution

The fourth proportional to 74,207,354,021.40, 111,311,031,032.10 and 38,821,036,171.80 is: 58,231,554,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,207,354,021.40 : 111,311,031,032.10 = 38,821,036,171.80 : x
  2. Step 2: Convert to fraction form
    74,207,354,021.40/111,311,031,032.10 = 38,821,036,171.80/x
  3. Step 3: Cross multiply
    74,207,354,021.40x = 111,311,031,032.10 × 38,821,036,171.80
  4. Step 4: Simplify right side
    74,207,354,021.40x = 4,321,209,562,017,507,049,472
  5. Step 5: Solve for x
    x = 4,321,209,562,017,507,049,472/74,207,354,021.40
  6. Step 6: Final answer
    x = 58,231,554,257.70

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Double scale
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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.