Home / 82,016,072.10-123,024,108.15-47,919,867.30

Finding the Fourth Proportional to 82,016,072.10, 123,024,108.15 and 47,919,867.30

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Solution

The fourth proportional to 82,016,072.10, 123,024,108.15 and 47,919,867.30 is: 71,879,800.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,016,072.10 : 123,024,108.15 = 47,919,867.30 : x
  2. Step 2: Convert to fraction form
    82,016,072.10/123,024,108.15 = 47,919,867.30/x
  3. Step 3: Cross multiply
    82,016,072.10x = 123,024,108.15 × 47,919,867.30
  4. Step 4: Simplify right side
    82,016,072.10x = 5,895,298,937,248,848
  5. Step 5: Solve for x
    x = 5,895,298,937,248,848/82,016,072.10
  6. Step 6: Final answer
    x = 71,879,800.95

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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.