Home / 77,253,234.96-115,861,875.15-28,753,929.30

Finding the Fourth Proportional to 77,253,234.96, 115,861,875.15 and 28,753,929.30

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Solution

The fourth proportional to 77,253,234.96, 115,861,875.15 and 28,753,929.30 is: 43,124,202.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,253,234.96 : 115,861,875.15 = 28,753,929.30 : x
  2. Step 2: Convert to fraction form
    77,253,234.96/115,861,875.15 = 28,753,929.30/x
  3. Step 3: Cross multiply
    77,253,234.96x = 115,861,875.15 × 28,753,929.30
  4. Step 4: Simplify right side
    77,253,234.96x = 3,331,484,167,170,836.50
  5. Step 5: Solve for x
    x = 3,331,484,167,170,836.50/77,253,234.96
  6. Step 6: Final answer
    x = 43,124,202.74

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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.