Home / 66,660,964.52-99,981,343.72-18,142,599.16

Finding the Fourth Proportional to 66,660,964.52, 99,981,343.72 and 18,142,599.16

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Solution

The fourth proportional to 66,660,964.52, 99,981,343.72 and 18,142,599.16 is: 27,211,149.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,660,964.52 : 99,981,343.72 = 18,142,599.16 : x
  2. Step 2: Convert to fraction form
    66,660,964.52/99,981,343.72 = 18,142,599.16/x
  3. Step 3: Cross multiply
    66,660,964.52x = 99,981,343.72 × 18,142,599.16
  4. Step 4: Simplify right side
    66,660,964.52x = 1,813,921,441,999,523.75
  5. Step 5: Solve for x
    x = 1,813,921,441,999,523.75/66,660,964.52
  6. Step 6: Final answer
    x = 27,211,149.06

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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.