Home / 80,761,458.96-121,157,235-26,169,176.16

Finding the Fourth Proportional to 80,761,458.96, 121,157,235 and 26,169,176.16

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Solution

The fourth proportional to 80,761,458.96, 121,157,235 and 26,169,176.16 is: 39,258,639.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,761,458.96 : 121,157,235 = 26,169,176.16 : x
  2. Step 2: Convert to fraction form
    80,761,458.96/121,157,235 = 26,169,176.16/x
  3. Step 3: Cross multiply
    80,761,458.96x = 121,157,235 × 26,169,176.16
  4. Step 4: Simplify right side
    80,761,458.96x = 3,170,585,025,773,517.50
  5. Step 5: Solve for x
    x = 3,170,585,025,773,517.50/80,761,458.96
  6. Step 6: Final answer
    x = 39,258,639.78

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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.