Home / 157,418,839.62-235,906,300.12-74,331,941.70

Finding the Fourth Proportional to 157,418,839.62, 235,906,300.12 and 74,331,941.70

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Solution

The fourth proportional to 157,418,839.62, 235,906,300.12 and 74,331,941.70 is: 111,393,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,418,839.62 : 235,906,300.12 = 74,331,941.70 : x
  2. Step 2: Convert to fraction form
    157,418,839.62/235,906,300.12 = 74,331,941.70/x
  3. Step 3: Cross multiply
    157,418,839.62x = 235,906,300.12 × 74,331,941.70
  4. Step 4: Simplify right side
    157,418,839.62x = 17,535,373,346,810,884
  5. Step 5: Solve for x
    x = 17,535,373,346,810,884/157,418,839.62
  6. Step 6: Final answer
    x = 111,393,105.10

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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.