Home / 54,145,385.15-74,720,754.65-30,940,456.75

Finding the Fourth Proportional to 54,145,385.15, 74,720,754.65 and 30,940,456.75

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Solution

The fourth proportional to 54,145,385.15, 74,720,754.65 and 30,940,456.75 is: 42,697,900.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,145,385.15 : 74,720,754.65 = 30,940,456.75 : x
  2. Step 2: Convert to fraction form
    54,145,385.15/74,720,754.65 = 30,940,456.75/x
  3. Step 3: Cross multiply
    54,145,385.15x = 74,720,754.65 × 30,940,456.75
  4. Step 4: Simplify right side
    54,145,385.15x = 2,311,894,277,466,235.50
  5. Step 5: Solve for x
    x = 2,311,894,277,466,235.50/54,145,385.15
  6. Step 6: Final answer
    x = 42,697,900.68

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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.