Home / 172,543,726.43-258,944,130.57-126,604,304.27

Finding the Fourth Proportional to 172,543,726.43, 258,944,130.57 and 126,604,304.27

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Solution

The fourth proportional to 172,543,726.43, 258,944,130.57 and 126,604,304.27 is: 190,000,773.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,543,726.43 : 258,944,130.57 = 126,604,304.27 : x
  2. Step 2: Convert to fraction form
    172,543,726.43/258,944,130.57 = 126,604,304.27/x
  3. Step 3: Cross multiply
    172,543,726.43x = 258,944,130.57 × 126,604,304.27
  4. Step 4: Simplify right side
    172,543,726.43x = 32,783,441,495,614,888
  5. Step 5: Solve for x
    x = 32,783,441,495,614,888/172,543,726.43
  6. Step 6: Final answer
    x = 190,000,773.57

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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.