Home / 114,927,005.90-172,474,489.65-80,914,781.90

Finding the Fourth Proportional to 114,927,005.90, 172,474,489.65 and 80,914,781.90

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Solution

The fourth proportional to 114,927,005.90, 172,474,489.65 and 80,914,781.90 is: 121,431,299.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,927,005.90 : 172,474,489.65 = 80,914,781.90 : x
  2. Step 2: Convert to fraction form
    114,927,005.90/172,474,489.65 = 80,914,781.90/x
  3. Step 3: Cross multiply
    114,927,005.90x = 172,474,489.65 × 80,914,781.90
  4. Step 4: Simplify right side
    114,927,005.90x = 13,955,735,713,343,558
  5. Step 5: Solve for x
    x = 13,955,735,713,343,558/114,927,005.90
  6. Step 6: Final answer
    x = 121,431,299.84

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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.