Home / 66,120,675.12-99,182,002.08-25,182,375.20

Finding the Fourth Proportional to 66,120,675.12, 99,182,002.08 and 25,182,375.20

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Solution

The fourth proportional to 66,120,675.12, 99,182,002.08 and 25,182,375.20 is: 37,773,939.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,120,675.12 : 99,182,002.08 = 25,182,375.20 : x
  2. Step 2: Convert to fraction form
    66,120,675.12/99,182,002.08 = 25,182,375.20/x
  3. Step 3: Cross multiply
    66,120,675.12x = 99,182,002.08 × 25,182,375.20
  4. Step 4: Simplify right side
    66,120,675.12x = 2,497,638,389,465,740.50
  5. Step 5: Solve for x
    x = 2,497,638,389,465,740.50/66,120,675.12
  6. Step 6: Final answer
    x = 37,773,939.62

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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.