Home / 71,648,381.60-98,874,793.20-40,708,591.52

Finding the Fourth Proportional to 71,648,381.60, 98,874,793.20 and 40,708,591.52

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Solution

The fourth proportional to 71,648,381.60, 98,874,793.20 and 40,708,591.52 is: 56,177,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,648,381.60 : 98,874,793.20 = 40,708,591.52 : x
  2. Step 2: Convert to fraction form
    71,648,381.60/98,874,793.20 = 40,708,591.52/x
  3. Step 3: Cross multiply
    71,648,381.60x = 98,874,793.20 × 40,708,591.52
  4. Step 4: Simplify right side
    71,648,381.60x = 4,025,053,568,003,274
  5. Step 5: Solve for x
    x = 4,025,053,568,003,274/71,648,381.60
  6. Step 6: Final answer
    x = 56,177,871.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.