Home / 67,382,129.90-92,987,338.20-36,442,299.08

Finding the Fourth Proportional to 67,382,129.90, 92,987,338.20 and 36,442,299.08

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Solution

The fourth proportional to 67,382,129.90, 92,987,338.20 and 36,442,299.08 is: 50,290,372.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,382,129.90 : 92,987,338.20 = 36,442,299.08 : x
  2. Step 2: Convert to fraction form
    67,382,129.90/92,987,338.20 = 36,442,299.08/x
  3. Step 3: Cross multiply
    67,382,129.90x = 92,987,338.20 × 36,442,299.08
  4. Step 4: Simplify right side
    67,382,129.90x = 3,388,672,389,433,319
  5. Step 5: Solve for x
    x = 3,388,672,389,433,319/67,382,129.90
  6. Step 6: Final answer
    x = 50,290,372.16

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