Home / 77,900,501.76-116,861,385.60-32,451,665.28

Finding the Fourth Proportional to 77,900,501.76, 116,861,385.60 and 32,451,665.28

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Solution

The fourth proportional to 77,900,501.76, 116,861,385.60 and 32,451,665.28 is: 48,681,927.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,900,501.76 : 116,861,385.60 = 32,451,665.28 : x
  2. Step 2: Convert to fraction form
    77,900,501.76/116,861,385.60 = 32,451,665.28/x
  3. Step 3: Cross multiply
    77,900,501.76x = 116,861,385.60 × 32,451,665.28
  4. Step 4: Simplify right side
    77,900,501.76x = 3,792,346,569,648,212
  5. Step 5: Solve for x
    x = 3,792,346,569,648,212/77,900,501.76
  6. Step 6: Final answer
    x = 48,681,927.38

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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.