Home / 80,569,073.34-111,185,337.21-43,899,644.34

Finding the Fourth Proportional to 80,569,073.34, 111,185,337.21 and 43,899,644.34

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Solution

The fourth proportional to 80,569,073.34, 111,185,337.21 and 43,899,644.34 is: 60,581,517.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,569,073.34 : 111,185,337.21 = 43,899,644.34 : x
  2. Step 2: Convert to fraction form
    80,569,073.34/111,185,337.21 = 43,899,644.34/x
  3. Step 3: Cross multiply
    80,569,073.34x = 111,185,337.21 × 43,899,644.34
  4. Step 4: Simplify right side
    80,569,073.34x = 4,880,996,759,341,968
  5. Step 5: Solve for x
    x = 4,880,996,759,341,968/80,569,073.34
  6. Step 6: Final answer
    x = 60,581,517.91

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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.