Home / 89,182,856.13-123,072,089.77-49,496,378.95

Finding the Fourth Proportional to 89,182,856.13, 123,072,089.77 and 49,496,378.95

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Solution

The fourth proportional to 89,182,856.13, 123,072,089.77 and 49,496,378.95 is: 68,304,863.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,182,856.13 : 123,072,089.77 = 49,496,378.95 : x
  2. Step 2: Convert to fraction form
    89,182,856.13/123,072,089.77 = 49,496,378.95/x
  3. Step 3: Cross multiply
    89,182,856.13x = 123,072,089.77 × 49,496,378.95
  4. Step 4: Simplify right side
    89,182,856.13x = 6,091,622,793,424,339
  5. Step 5: Solve for x
    x = 6,091,622,793,424,339/89,182,856.13
  6. Step 6: Final answer
    x = 68,304,863.26

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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.