Home / 89,062,514.08-133,479,609.28-77,499,932.64

Finding the Fourth Proportional to 89,062,514.08, 133,479,609.28 and 77,499,932.64

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Solution

The fourth proportional to 89,062,514.08, 133,479,609.28 and 77,499,932.64 is: 116,150,558.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,062,514.08 : 133,479,609.28 = 77,499,932.64 : x
  2. Step 2: Convert to fraction form
    89,062,514.08/133,479,609.28 = 77,499,932.64/x
  3. Step 3: Cross multiply
    89,062,514.08x = 133,479,609.28 × 77,499,932.64
  4. Step 4: Simplify right side
    89,062,514.08x = 10,344,660,728,013,520
  5. Step 5: Solve for x
    x = 10,344,660,728,013,520/89,062,514.08
  6. Step 6: Final answer
    x = 116,150,558.23

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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.