Home / 157,807,691.46-217,781,339.85-88,193,070.36

Finding the Fourth Proportional to 157,807,691.46, 217,781,339.85 and 88,193,070.36

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Solution

The fourth proportional to 157,807,691.46, 217,781,339.85 and 88,193,070.36 is: 121,710,195.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,807,691.46 : 217,781,339.85 = 88,193,070.36 : x
  2. Step 2: Convert to fraction form
    157,807,691.46/217,781,339.85 = 88,193,070.36/x
  3. Step 3: Cross multiply
    157,807,691.46x = 217,781,339.85 × 88,193,070.36
  4. Step 4: Simplify right side
    157,807,691.46x = 19,206,805,028,486,120
  5. Step 5: Solve for x
    x = 19,206,805,028,486,120/157,807,691.46
  6. Step 6: Final answer
    x = 121,710,195.81

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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.