Home / 80,945,685.32-111,705,380.02-43,775,964.82

Finding the Fourth Proportional to 80,945,685.32, 111,705,380.02 and 43,775,964.82

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Solution

The fourth proportional to 80,945,685.32, 111,705,380.02 and 43,775,964.82 is: 60,411,012.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,945,685.32 : 111,705,380.02 = 43,775,964.82 : x
  2. Step 2: Convert to fraction form
    80,945,685.32/111,705,380.02 = 43,775,964.82/x
  3. Step 3: Cross multiply
    80,945,685.32x = 111,705,380.02 × 43,775,964.82
  4. Step 4: Simplify right side
    80,945,685.32x = 4,890,010,785,960,251
  5. Step 5: Solve for x
    x = 4,890,010,785,960,251/80,945,685.32
  6. Step 6: Final answer
    x = 60,411,012.23

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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.