Home / 157,952,617.05-217,985,651.52-88,344,431.13

Finding the Fourth Proportional to 157,952,617.05, 217,985,651.52 and 88,344,431.13

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Solution

The fourth proportional to 157,952,617.05, 217,985,651.52 and 88,344,431.13 is: 121,921,489.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,952,617.05 : 217,985,651.52 = 88,344,431.13 : x
  2. Step 2: Convert to fraction form
    157,952,617.05/217,985,651.52 = 88,344,431.13/x
  3. Step 3: Cross multiply
    157,952,617.05x = 217,985,651.52 × 88,344,431.13
  4. Step 4: Simplify right side
    157,952,617.05x = 19,257,818,378,036,820
  5. Step 5: Solve for x
    x = 19,257,818,378,036,820/157,952,617.05
  6. Step 6: Final answer
    x = 121,921,489.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.