Home / 102,732,337.76-141,766,861.68-56,321,575.52

Finding the Fourth Proportional to 102,732,337.76, 141,766,861.68 and 56,321,575.52

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Solution

The fourth proportional to 102,732,337.76, 141,766,861.68 and 56,321,575.52 is: 77,721,710.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,732,337.76 : 141,766,861.68 = 56,321,575.52 : x
  2. Step 2: Convert to fraction form
    102,732,337.76/141,766,861.68 = 56,321,575.52/x
  3. Step 3: Cross multiply
    102,732,337.76x = 141,766,861.68 × 56,321,575.52
  4. Step 4: Simplify right side
    102,732,337.76x = 7,984,533,006,343,515
  5. Step 5: Solve for x
    x = 7,984,533,006,343,515/102,732,337.76
  6. Step 6: Final answer
    x = 77,721,710.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.