Home / 40,278,642.20-60,417,963.30-36,247,563.80

Finding the Fourth Proportional to 40,278,642.20, 60,417,963.30 and 36,247,563.80

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Solution

The fourth proportional to 40,278,642.20, 60,417,963.30 and 36,247,563.80 is: 54,371,345.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278,642.20 : 60,417,963.30 = 36,247,563.80 : x
  2. Step 2: Convert to fraction form
    40,278,642.20/60,417,963.30 = 36,247,563.80/x
  3. Step 3: Cross multiply
    40,278,642.20x = 60,417,963.30 × 36,247,563.80
  4. Step 4: Simplify right side
    40,278,642.20x = 2,190,003,979,382,808.25
  5. Step 5: Solve for x
    x = 2,190,003,979,382,808.25/40,278,642.20
  6. Step 6: Final answer
    x = 54,371,345.70

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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.