Home / 80,429,570.28-110,989,491.30-43,760,287.08

Finding the Fourth Proportional to 80,429,570.28, 110,989,491.30 and 43,760,287.08

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Solution

The fourth proportional to 80,429,570.28, 110,989,491.30 and 43,760,287.08 is: 60,387,392.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,429,570.28 : 110,989,491.30 = 43,760,287.08 : x
  2. Step 2: Convert to fraction form
    80,429,570.28/110,989,491.30 = 43,760,287.08/x
  3. Step 3: Cross multiply
    80,429,570.28x = 110,989,491.30 × 43,760,287.08
  4. Step 4: Simplify right side
    80,429,570.28x = 4,856,932,002,151,162
  5. Step 5: Solve for x
    x = 4,856,932,002,151,162/80,429,570.28
  6. Step 6: Final answer
    x = 60,387,392.16

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Why These Related Problems?

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