Home / 84,940,582.92-126,790,775.84-72,887,501.04

Finding the Fourth Proportional to 84,940,582.92, 126,790,775.84 and 72,887,501.04

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Solution

The fourth proportional to 84,940,582.92, 126,790,775.84 and 72,887,501.04 is: 108,799,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,940,582.92 : 126,790,775.84 = 72,887,501.04 : x
  2. Step 2: Convert to fraction form
    84,940,582.92/126,790,775.84 = 72,887,501.04/x
  3. Step 3: Cross multiply
    84,940,582.92x = 126,790,775.84 × 72,887,501.04
  4. Step 4: Simplify right side
    84,940,582.92x = 9,241,462,805,900,408
  5. Step 5: Solve for x
    x = 9,241,462,805,900,408/84,940,582.92
  6. Step 6: Final answer
    x = 108,799,145.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.