Home / 72,758,882.40-109,153,486.80-24,251,805.60

Finding the Fourth Proportional to 72,758,882.40, 109,153,486.80 and 24,251,805.60

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Solution

The fourth proportional to 72,758,882.40, 109,153,486.80 and 24,251,805.60 is: 36,382,762.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,758,882.40 : 109,153,486.80 = 24,251,805.60 : x
  2. Step 2: Convert to fraction form
    72,758,882.40/109,153,486.80 = 24,251,805.60/x
  3. Step 3: Cross multiply
    72,758,882.40x = 109,153,486.80 × 24,251,805.60
  4. Step 4: Simplify right side
    72,758,882.40x = 2,647,169,142,435,766
  5. Step 5: Solve for x
    x = 2,647,169,142,435,766/72,758,882.40
  6. Step 6: Final answer
    x = 36,382,762.56

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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.