Home / 74,207,354,007.90-111,311,031,011.86-38,821,036,158.30

Finding the Fourth Proportional to 74,207,354,007.90, 111,311,031,011.86 and 38,821,036,158.30

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Solution

The fourth proportional to 74,207,354,007.90, 111,311,031,011.86 and 38,821,036,158.30 is: 58,231,554,237.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,207,354,007.90 : 111,311,031,011.86 = 38,821,036,158.30 : x
  2. Step 2: Convert to fraction form
    74,207,354,007.90/111,311,031,011.86 = 38,821,036,158.30/x
  3. Step 3: Cross multiply
    74,207,354,007.90x = 111,311,031,011.86 × 38,821,036,158.30
  4. Step 4: Simplify right side
    74,207,354,007.90x = 4,321,209,559,729,070,145,536
  5. Step 5: Solve for x
    x = 4,321,209,559,729,070,145,536/74,207,354,007.90
  6. Step 6: Final answer
    x = 58,231,554,237.46

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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.