Home / 66,096,422.30-99,144,633.45-20,658,143.90

Finding the Fourth Proportional to 66,096,422.30, 99,144,633.45 and 20,658,143.90

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Solution

The fourth proportional to 66,096,422.30, 99,144,633.45 and 20,658,143.90 is: 30,987,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,096,422.30 : 99,144,633.45 = 20,658,143.90 : x
  2. Step 2: Convert to fraction form
    66,096,422.30/99,144,633.45 = 20,658,143.90/x
  3. Step 3: Cross multiply
    66,096,422.30x = 99,144,633.45 × 20,658,143.90
  4. Step 4: Simplify right side
    66,096,422.30x = 2,048,144,104,722,853.25
  5. Step 5: Solve for x
    x = 2,048,144,104,722,853.25/66,096,422.30
  6. Step 6: Final answer
    x = 30,987,215.85

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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.