Home / 157,761,733.38-237,719,438.76-129,637,875.66

Finding the Fourth Proportional to 157,761,733.38, 237,719,438.76 and 129,637,875.66

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Solution

The fourth proportional to 157,761,733.38, 237,719,438.76 and 129,637,875.66 is: 195,341,686.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,761,733.38 : 237,719,438.76 = 129,637,875.66 : x
  2. Step 2: Convert to fraction form
    157,761,733.38/237,719,438.76 = 129,637,875.66/x
  3. Step 3: Cross multiply
    157,761,733.38x = 237,719,438.76 × 129,637,875.66
  4. Step 4: Simplify right side
    157,761,733.38x = 30,817,443,043,933,864
  5. Step 5: Solve for x
    x = 30,817,443,043,933,864/157,761,733.38
  6. Step 6: Final answer
    x = 195,341,686.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.