Home / 45,287,687.20-67,798,670.28-40,612,777.96

Finding the Fourth Proportional to 45,287,687.20, 67,798,670.28 and 40,612,777.96

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Solution

The fourth proportional to 45,287,687.20, 67,798,670.28 and 40,612,777.96 is: 60,800,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,287,687.20 : 67,798,670.28 = 40,612,777.96 : x
  2. Step 2: Convert to fraction form
    45,287,687.20/67,798,670.28 = 40,612,777.96/x
  3. Step 3: Cross multiply
    45,287,687.20x = 67,798,670.28 × 40,612,777.96
  4. Step 4: Simplify right side
    45,287,687.20x = 2,753,492,342,064,891
  5. Step 5: Solve for x
    x = 2,753,492,342,064,891/45,287,687.20
  6. Step 6: Final answer
    x = 60,800,021.20

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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.