Home / 42,496,163.20-63,744,244.80-13,745,205.10

Finding the Fourth Proportional to 42,496,163.20, 63,744,244.80 and 13,745,205.10

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Solution

The fourth proportional to 42,496,163.20, 63,744,244.80 and 13,745,205.10 is: 20,617,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,496,163.20 : 63,744,244.80 = 13,745,205.10 : x
  2. Step 2: Convert to fraction form
    42,496,163.20/63,744,244.80 = 13,745,205.10/x
  3. Step 3: Cross multiply
    42,496,163.20x = 63,744,244.80 × 13,745,205.10
  4. Step 4: Simplify right side
    42,496,163.20x = 876,177,718,720,608.38
  5. Step 5: Solve for x
    x = 876,177,718,720,608.38/42,496,163.20
  6. Step 6: Final answer
    x = 20,617,807.65

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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.