Home / 71,189,935.29-98,245,925.22-39,826,113.28

Finding the Fourth Proportional to 71,189,935.29, 98,245,925.22 and 39,826,113.28

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Solution

The fourth proportional to 71,189,935.29, 98,245,925.22 and 39,826,113.28 is: 54,962,170.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,189,935.29 : 98,245,925.22 = 39,826,113.28 : x
  2. Step 2: Convert to fraction form
    71,189,935.29/98,245,925.22 = 39,826,113.28/x
  3. Step 3: Cross multiply
    71,189,935.29x = 98,245,925.22 × 39,826,113.28
  4. Step 4: Simplify right side
    71,189,935.29x = 3,912,753,346,868,174.50
  5. Step 5: Solve for x
    x = 3,912,753,346,868,174.50/71,189,935.29
  6. Step 6: Final answer
    x = 54,962,170.29

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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.