Home / 38,288,002.20-57,432,003.30-31,485,557.40

Finding the Fourth Proportional to 38,288,002.20, 57,432,003.30 and 31,485,557.40

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Solution

The fourth proportional to 38,288,002.20, 57,432,003.30 and 31,485,557.40 is: 47,228,336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,288,002.20 : 57,432,003.30 = 31,485,557.40 : x
  2. Step 2: Convert to fraction form
    38,288,002.20/57,432,003.30 = 31,485,557.40/x
  3. Step 3: Cross multiply
    38,288,002.20x = 57,432,003.30 × 31,485,557.40
  4. Step 4: Simplify right side
    38,288,002.20x = 1,808,278,636,499,139.25
  5. Step 5: Solve for x
    x = 1,808,278,636,499,139.25/38,288,002.20
  6. Step 6: Final answer
    x = 47,228,336.10

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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.