Home / 38,499,079.20-57,748,618.80-38,233,658.40

Finding the Fourth Proportional to 38,499,079.20, 57,748,618.80 and 38,233,658.40

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Solution

The fourth proportional to 38,499,079.20, 57,748,618.80 and 38,233,658.40 is: 57,350,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,499,079.20 : 57,748,618.80 = 38,233,658.40 : x
  2. Step 2: Convert to fraction form
    38,499,079.20/57,748,618.80 = 38,233,658.40/x
  3. Step 3: Cross multiply
    38,499,079.20x = 57,748,618.80 × 38,233,658.40
  4. Step 4: Simplify right side
    38,499,079.20x = 2,207,940,964,271,017.75
  5. Step 5: Solve for x
    x = 2,207,940,964,271,017.75/38,499,079.20
  6. Step 6: Final answer
    x = 57,350,487.60

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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.