Home / 157,403,508.04-217,217,130.96-87,793,375.70

Finding the Fourth Proportional to 157,403,508.04, 217,217,130.96 and 87,793,375.70

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Solution

The fourth proportional to 157,403,508.04, 217,217,130.96 and 87,793,375.70 is: 121,155,020.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,403,508.04 : 217,217,130.96 = 87,793,375.70 : x
  2. Step 2: Convert to fraction form
    157,403,508.04/217,217,130.96 = 87,793,375.70/x
  3. Step 3: Cross multiply
    157,403,508.04x = 217,217,130.96 × 87,793,375.70
  4. Step 4: Simplify right side
    157,403,508.04x = 19,070,225,186,847,384
  5. Step 5: Solve for x
    x = 19,070,225,186,847,384/157,403,508.04
  6. Step 6: Final answer
    x = 121,155,020.14

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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.