Home / 157,761,500.40-237,719,087.96-129,637,642.68

Finding the Fourth Proportional to 157,761,500.40, 237,719,087.96 and 129,637,642.68

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Solution

The fourth proportional to 157,761,500.40, 237,719,087.96 and 129,637,642.68 is: 195,341,335.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,761,500.40 : 237,719,087.96 = 129,637,642.68 : x
  2. Step 2: Convert to fraction form
    157,761,500.40/237,719,087.96 = 129,637,642.68/x
  3. Step 3: Cross multiply
    157,761,500.40x = 237,719,087.96 × 129,637,642.68
  4. Step 4: Simplify right side
    157,761,500.40x = 30,817,342,182,525,784
  5. Step 5: Solve for x
    x = 30,817,342,182,525,784/157,761,500.40
  6. Step 6: Final answer
    x = 195,341,335.52

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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.