Home / 66,314,561.32-91,511,948.48-38,061,584.66

Finding the Fourth Proportional to 66,314,561.32, 91,511,948.48 and 38,061,584.66

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Solution

The fourth proportional to 66,314,561.32, 91,511,948.48 and 38,061,584.66 is: 52,523,755.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,314,561.32 : 91,511,948.48 = 38,061,584.66 : x
  2. Step 2: Convert to fraction form
    66,314,561.32/91,511,948.48 = 38,061,584.66/x
  3. Step 3: Cross multiply
    66,314,561.32x = 91,511,948.48 × 38,061,584.66
  4. Step 4: Simplify right side
    66,314,561.32x = 3,483,089,774,797,012.50
  5. Step 5: Solve for x
    x = 3,483,089,774,797,012.50/66,314,561.32
  6. Step 6: Final answer
    x = 52,523,755.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.