Home / 129,489,195.20-194,233,792.80-88,674,526.40

Finding the Fourth Proportional to 129,489,195.20, 194,233,792.80 and 88,674,526.40

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Solution

The fourth proportional to 129,489,195.20, 194,233,792.80 and 88,674,526.40 is: 133,011,789.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,489,195.20 : 194,233,792.80 = 88,674,526.40 : x
  2. Step 2: Convert to fraction form
    129,489,195.20/194,233,792.80 = 88,674,526.40/x
  3. Step 3: Cross multiply
    129,489,195.20x = 194,233,792.80 × 88,674,526.40
  4. Step 4: Simplify right side
    129,489,195.20x = 17,223,589,587,415,732
  5. Step 5: Solve for x
    x = 17,223,589,587,415,732/129,489,195.20
  6. Step 6: Final answer
    x = 133,011,789.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.