Home / 118,143,337.20-177,215,005.80-31,881,605.55

Finding the Fourth Proportional to 118,143,337.20, 177,215,005.80 and 31,881,605.55

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Solution

The fourth proportional to 118,143,337.20, 177,215,005.80 and 31,881,605.55 is: 47,822,408.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,143,337.20 : 177,215,005.80 = 31,881,605.55 : x
  2. Step 2: Convert to fraction form
    118,143,337.20/177,215,005.80 = 31,881,605.55/x
  3. Step 3: Cross multiply
    118,143,337.20x = 177,215,005.80 × 31,881,605.55
  4. Step 4: Simplify right side
    118,143,337.20x = 5,649,898,912,456,563
  5. Step 5: Solve for x
    x = 5,649,898,912,456,563/118,143,337.20
  6. Step 6: Final answer
    x = 47,822,408.33

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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.