Home / 114,803,022.75-172,205,168.34-28,541,429.61

Finding the Fourth Proportional to 114,803,022.75, 172,205,168.34 and 28,541,429.61

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Solution

The fourth proportional to 114,803,022.75, 172,205,168.34 and 28,541,429.61 is: 42,812,302.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,803,022.75 : 172,205,168.34 = 28,541,429.61 : x
  2. Step 2: Convert to fraction form
    114,803,022.75/172,205,168.34 = 28,541,429.61/x
  3. Step 3: Cross multiply
    114,803,022.75x = 172,205,168.34 × 28,541,429.61
  4. Step 4: Simplify right side
    114,803,022.75x = 4,914,981,690,654,311
  5. Step 5: Solve for x
    x = 4,914,981,690,654,311/114,803,022.75
  6. Step 6: Final answer
    x = 42,812,302.09

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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.