Home / 66,419,975.80-99,555,314.10-34,059,374.20

Finding the Fourth Proportional to 66,419,975.80, 99,555,314.10 and 34,059,374.20

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Solution

The fourth proportional to 66,419,975.80, 99,555,314.10 and 34,059,374.20 is: 51,050,781.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,419,975.80 : 99,555,314.10 = 34,059,374.20 : x
  2. Step 2: Convert to fraction form
    66,419,975.80/99,555,314.10 = 34,059,374.20/x
  3. Step 3: Cross multiply
    66,419,975.80x = 99,555,314.10 × 34,059,374.20
  4. Step 4: Simplify right side
    66,419,975.80x = 3,390,791,696,530,436.50
  5. Step 5: Solve for x
    x = 3,390,791,696,530,436.50/66,419,975.80
  6. Step 6: Final answer
    x = 51,050,781.87

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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.