Home / 71,186,863.48-98,238,645.12-41,819,433.82

Finding the Fourth Proportional to 71,186,863.48, 98,238,645.12 and 41,819,433.82

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Solution

The fourth proportional to 71,186,863.48, 98,238,645.12 and 41,819,433.82 is: 57,711,273.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,186,863.48 : 98,238,645.12 = 41,819,433.82 : x
  2. Step 2: Convert to fraction form
    71,186,863.48/98,238,645.12 = 41,819,433.82/x
  3. Step 3: Cross multiply
    71,186,863.48x = 98,238,645.12 × 41,819,433.82
  4. Step 4: Simplify right side
    71,186,863.48x = 4,108,284,518,162,306
  5. Step 5: Solve for x
    x = 4,108,284,518,162,306/71,186,863.48
  6. Step 6: Final answer
    x = 57,711,273.08

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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.