Home / 66,266,742.56-99,366,851.84-38,609,612.52

Finding the Fourth Proportional to 66,266,742.56, 99,366,851.84 and 38,609,612.52

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Solution

The fourth proportional to 66,266,742.56, 99,366,851.84 and 38,609,612.52 is: 57,895,039.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,266,742.56 : 99,366,851.84 = 38,609,612.52 : x
  2. Step 2: Convert to fraction form
    66,266,742.56/99,366,851.84 = 38,609,612.52/x
  3. Step 3: Cross multiply
    66,266,742.56x = 99,366,851.84 × 38,609,612.52
  4. Step 4: Simplify right side
    66,266,742.56x = 3,836,515,646,874,649.50
  5. Step 5: Solve for x
    x = 3,836,515,646,874,649.50/66,266,742.56
  6. Step 6: Final answer
    x = 57,895,039.03

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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.