Home / 112,293,208.20-168,439,812.30-54,755,862.60

Finding the Fourth Proportional to 112,293,208.20, 168,439,812.30 and 54,755,862.60

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Solution

The fourth proportional to 112,293,208.20, 168,439,812.30 and 54,755,862.60 is: 82,133,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,293,208.20 : 168,439,812.30 = 54,755,862.60 : x
  2. Step 2: Convert to fraction form
    112,293,208.20/168,439,812.30 = 54,755,862.60/x
  3. Step 3: Cross multiply
    112,293,208.20x = 168,439,812.30 × 54,755,862.60
  4. Step 4: Simplify right side
    112,293,208.20x = 9,223,067,218,668,590
  5. Step 5: Solve for x
    x = 9,223,067,218,668,590/112,293,208.20
  6. Step 6: Final answer
    x = 82,133,793.90

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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.