Home / 112,687,425.40-155,654,521.72-93,187,083.64

Finding the Fourth Proportional to 112,687,425.40, 155,654,521.72 and 93,187,083.64

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Solution

The fourth proportional to 112,687,425.40, 155,654,521.72 and 93,187,083.64 is: 128,718,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,687,425.40 : 155,654,521.72 = 93,187,083.64 : x
  2. Step 2: Convert to fraction form
    112,687,425.40/155,654,521.72 = 93,187,083.64/x
  3. Step 3: Cross multiply
    112,687,425.40x = 155,654,521.72 × 93,187,083.64
  4. Step 4: Simplify right side
    112,687,425.40x = 14,504,990,934,465,836
  5. Step 5: Solve for x
    x = 14,504,990,934,465,836/112,687,425.40
  6. Step 6: Final answer
    x = 128,718,806.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.