Home / 129,600,193.80-194,428,284.30-38,732,968.20

Finding the Fourth Proportional to 129,600,193.80, 194,428,284.30 and 38,732,968.20

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Solution

The fourth proportional to 129,600,193.80, 194,428,284.30 and 38,732,968.20 is: 58,107,818.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,600,193.80 : 194,428,284.30 = 38,732,968.20 : x
  2. Step 2: Convert to fraction form
    129,600,193.80/194,428,284.30 = 38,732,968.20/x
  3. Step 3: Cross multiply
    129,600,193.80x = 194,428,284.30 × 38,732,968.20
  4. Step 4: Simplify right side
    129,600,193.80x = 7,530,784,552,972,460
  5. Step 5: Solve for x
    x = 7,530,784,552,972,460/129,600,193.80
  6. Step 6: Final answer
    x = 58,107,818.61

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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.