Home / 114,940,390.90-172,494,567.15-80,928,166.90

Finding the Fourth Proportional to 114,940,390.90, 172,494,567.15 and 80,928,166.90

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Solution

The fourth proportional to 114,940,390.90, 172,494,567.15 and 80,928,166.90 is: 121,451,380.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,940,390.90 : 172,494,567.15 = 80,928,166.90 : x
  2. Step 2: Convert to fraction form
    114,940,390.90/172,494,567.15 = 80,928,166.90/x
  3. Step 3: Cross multiply
    114,940,390.90x = 172,494,567.15 × 80,928,166.90
  4. Step 4: Simplify right side
    114,940,390.90x = 13,959,669,119,658,458
  5. Step 5: Solve for x
    x = 13,959,669,119,658,458/114,940,390.90
  6. Step 6: Final answer
    x = 121,451,380.24

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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.