Home / 89,714,890.13-134,572,335.18-21,557,581.88

Finding the Fourth Proportional to 89,714,890.13, 134,572,335.18 and 21,557,581.88

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Solution

The fourth proportional to 89,714,890.13, 134,572,335.18 and 21,557,581.88 is: 32,336,372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,714,890.13 : 134,572,335.18 = 21,557,581.88 : x
  2. Step 2: Convert to fraction form
    89,714,890.13/134,572,335.18 = 21,557,581.88/x
  3. Step 3: Cross multiply
    89,714,890.13x = 134,572,335.18 × 21,557,581.88
  4. Step 4: Simplify right side
    89,714,890.13x = 2,901,054,133,752,793
  5. Step 5: Solve for x
    x = 2,901,054,133,752,793/89,714,890.13
  6. Step 6: Final answer
    x = 32,336,372.81

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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.