Home / 89,960,417.30-134,940,626.61-21,803,109.14

Finding the Fourth Proportional to 89,960,417.30, 134,940,626.61 and 21,803,109.14

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Solution

The fourth proportional to 89,960,417.30, 134,940,626.61 and 21,803,109.14 is: 32,704,663.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,960,417.30 : 134,940,626.61 = 21,803,109.14 : x
  2. Step 2: Convert to fraction form
    89,960,417.30/134,940,626.61 = 21,803,109.14/x
  3. Step 3: Cross multiply
    89,960,417.30x = 134,940,626.61 × 21,803,109.14
  4. Step 4: Simplify right side
    89,960,417.30x = 2,942,125,209,397,818.50
  5. Step 5: Solve for x
    x = 2,942,125,209,397,818.50/89,960,417.30
  6. Step 6: Final answer
    x = 32,704,663.87

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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.