Home / 157,761,728.85-237,719,431.97-129,637,871.13

Finding the Fourth Proportional to 157,761,728.85, 237,719,431.97 and 129,637,871.13

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Solution

The fourth proportional to 157,761,728.85, 237,719,431.97 and 129,637,871.13 is: 195,341,679.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,761,728.85 : 237,719,431.97 = 129,637,871.13 : x
  2. Step 2: Convert to fraction form
    157,761,728.85/237,719,431.97 = 129,637,871.13/x
  3. Step 3: Cross multiply
    157,761,728.85x = 237,719,431.97 × 129,637,871.13
  4. Step 4: Simplify right side
    157,761,728.85x = 30,817,441,086,175,472
  5. Step 5: Solve for x
    x = 30,817,441,086,175,472/157,761,728.85
  6. Step 6: Final answer
    x = 195,341,679.57

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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.