Home / 71,189,939.16-98,245,930.49-39,826,117.15

Finding the Fourth Proportional to 71,189,939.16, 98,245,930.49 and 39,826,117.15

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Solution

The fourth proportional to 71,189,939.16, 98,245,930.49 and 39,826,117.15 is: 54,962,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,189,939.16 : 98,245,930.49 = 39,826,117.15 : x
  2. Step 2: Convert to fraction form
    71,189,939.16/98,245,930.49 = 39,826,117.15/x
  3. Step 3: Cross multiply
    71,189,939.16x = 98,245,930.49 × 39,826,117.15
  4. Step 4: Simplify right side
    71,189,939.16x = 3,912,753,937,205,496.50
  5. Step 5: Solve for x
    x = 3,912,753,937,205,496.50/71,189,939.16
  6. Step 6: Final answer
    x = 54,962,175.60

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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.