Home / 128,234,153.60-192,369,892.80-41,951,657.60

Finding the Fourth Proportional to 128,234,153.60, 192,369,892.80 and 41,951,657.60

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Solution

The fourth proportional to 128,234,153.60, 192,369,892.80 and 41,951,657.60 is: 62,933,591.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,234,153.60 : 192,369,892.80 = 41,951,657.60 : x
  2. Step 2: Convert to fraction form
    128,234,153.60/192,369,892.80 = 41,951,657.60/x
  3. Step 3: Cross multiply
    128,234,153.60x = 192,369,892.80 × 41,951,657.60
  4. Step 4: Simplify right side
    128,234,153.60x = 8,070,235,875,294,306
  5. Step 5: Solve for x
    x = 8,070,235,875,294,306/128,234,153.60
  6. Step 6: Final answer
    x = 62,933,591.78

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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.