Home / 84,105,025.80-126,213,963.30-29,517,505.80

Finding the Fourth Proportional to 84,105,025.80, 126,213,963.30 and 29,517,505.80

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Solution

The fourth proportional to 84,105,025.80, 126,213,963.30 and 29,517,505.80 is: 44,296,061.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,105,025.80 : 126,213,963.30 = 29,517,505.80 : x
  2. Step 2: Convert to fraction form
    84,105,025.80/126,213,963.30 = 29,517,505.80/x
  3. Step 3: Cross multiply
    84,105,025.80x = 126,213,963.30 × 29,517,505.80
  4. Step 4: Simplify right side
    84,105,025.80x = 3,725,521,393,748,737
  5. Step 5: Solve for x
    x = 3,725,521,393,748,737/84,105,025.80
  6. Step 6: Final answer
    x = 44,296,061.48

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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.