Home / 66,898,321.42-100,335,912.09-17,714,882.20

Finding the Fourth Proportional to 66,898,321.42, 100,335,912.09 and 17,714,882.20

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Solution

The fourth proportional to 66,898,321.42, 100,335,912.09 and 17,714,882.20 is: 26,569,259.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,898,321.42 : 100,335,912.09 = 17,714,882.20 : x
  2. Step 2: Convert to fraction form
    66,898,321.42/100,335,912.09 = 17,714,882.20/x
  3. Step 3: Cross multiply
    66,898,321.42x = 100,335,912.09 × 17,714,882.20
  4. Step 4: Simplify right side
    66,898,321.42x = 1,777,438,863,103,905.75
  5. Step 5: Solve for x
    x = 1,777,438,863,103,905.75/66,898,321.42
  6. Step 6: Final answer
    x = 26,569,259.52

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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.