Home / 114,940,231.90-172,494,328.65-80,928,007.90

Finding the Fourth Proportional to 114,940,231.90, 172,494,328.65 and 80,928,007.90

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Solution

The fourth proportional to 114,940,231.90, 172,494,328.65 and 80,928,007.90 is: 121,451,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,940,231.90 : 172,494,328.65 = 80,928,007.90 : x
  2. Step 2: Convert to fraction form
    114,940,231.90/172,494,328.65 = 80,928,007.90/x
  3. Step 3: Cross multiply
    114,940,231.90x = 172,494,328.65 × 80,928,007.90
  4. Step 4: Simplify right side
    114,940,231.90x = 13,959,622,391,692,398
  5. Step 5: Solve for x
    x = 13,959,622,391,692,398/114,940,231.90
  6. Step 6: Final answer
    x = 121,451,141.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.