Home / 220,061,267.40-330,091,901.10-155,491,185.90

Finding the Fourth Proportional to 220,061,267.40, 330,091,901.10 and 155,491,185.90

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Solution

The fourth proportional to 220,061,267.40, 330,091,901.10 and 155,491,185.90 is: 233,236,778.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,061,267.40 : 330,091,901.10 = 155,491,185.90 : x
  2. Step 2: Convert to fraction form
    220,061,267.40/330,091,901.10 = 155,491,185.90/x
  3. Step 3: Cross multiply
    220,061,267.40x = 330,091,901.10 × 155,491,185.90
  4. Step 4: Simplify right side
    220,061,267.40x = 51,326,381,158,024,520
  5. Step 5: Solve for x
    x = 51,326,381,158,024,520/220,061,267.40
  6. Step 6: Final answer
    x = 233,236,778.85

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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.