Home / 118,098,251.70-177,147,377.55-72,181,749.30

Finding the Fourth Proportional to 118,098,251.70, 177,147,377.55 and 72,181,749.30

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Solution

The fourth proportional to 118,098,251.70, 177,147,377.55 and 72,181,749.30 is: 108,272,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,251.70 : 177,147,377.55 = 72,181,749.30 : x
  2. Step 2: Convert to fraction form
    118,098,251.70/177,147,377.55 = 72,181,749.30/x
  3. Step 3: Cross multiply
    118,098,251.70x = 177,147,377.55 × 72,181,749.30
  4. Step 4: Simplify right side
    118,098,251.70x = 12,786,807,595,466,548
  5. Step 5: Solve for x
    x = 12,786,807,595,466,548/118,098,251.70
  6. Step 6: Final answer
    x = 108,272,623.95

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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.