Home / 80,343,048.30-110,874,621.50-45,068,672.72

Finding the Fourth Proportional to 80,343,048.30, 110,874,621.50 and 45,068,672.72

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Solution

The fourth proportional to 80,343,048.30, 110,874,621.50 and 45,068,672.72 is: 62,195,449.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,343,048.30 : 110,874,621.50 = 45,068,672.72 : x
  2. Step 2: Convert to fraction form
    80,343,048.30/110,874,621.50 = 45,068,672.72/x
  3. Step 3: Cross multiply
    80,343,048.30x = 110,874,621.50 × 45,068,672.72
  4. Step 4: Simplify right side
    80,343,048.30x = 4,996,972,028,557,660
  5. Step 5: Solve for x
    x = 4,996,972,028,557,660/80,343,048.30
  6. Step 6: Final answer
    x = 62,195,449.82

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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.