Home / 66,660,965.27-99,981,344.83-18,142,599.91

Finding the Fourth Proportional to 66,660,965.27, 99,981,344.83 and 18,142,599.91

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Solution

The fourth proportional to 66,660,965.27, 99,981,344.83 and 18,142,599.91 is: 27,211,150.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,660,965.27 : 99,981,344.83 = 18,142,599.91 : x
  2. Step 2: Convert to fraction form
    66,660,965.27/99,981,344.83 = 18,142,599.91/x
  3. Step 3: Cross multiply
    66,660,965.27x = 99,981,344.83 × 18,142,599.91
  4. Step 4: Simplify right side
    66,660,965.27x = 1,813,921,537,714,437
  5. Step 5: Solve for x
    x = 1,813,921,537,714,437/66,660,965.27
  6. Step 6: Final answer
    x = 27,211,150.19

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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.