Home / 66,047,732.60-98,987,618.10-31,895,540.60

Finding the Fourth Proportional to 66,047,732.60, 98,987,618.10 and 31,895,540.60

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Solution

The fourth proportional to 66,047,732.60, 98,987,618.10 and 31,895,540.60 is: 47,802,755.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,047,732.60 : 98,987,618.10 = 31,895,540.60 : x
  2. Step 2: Convert to fraction form
    66,047,732.60/98,987,618.10 = 31,895,540.60/x
  3. Step 3: Cross multiply
    66,047,732.60x = 98,987,618.10 × 31,895,540.60
  4. Step 4: Simplify right side
    66,047,732.60x = 3,157,263,592,005,845
  5. Step 5: Solve for x
    x = 3,157,263,592,005,845/66,047,732.60
  6. Step 6: Final answer
    x = 47,802,755.19

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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.