Home / 220,110,642.30-330,165,963.45-66,764,325.90

Finding the Fourth Proportional to 220,110,642.30, 330,165,963.45 and 66,764,325.90

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Solution

The fourth proportional to 220,110,642.30, 330,165,963.45 and 66,764,325.90 is: 100,146,488.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,110,642.30 : 330,165,963.45 = 66,764,325.90 : x
  2. Step 2: Convert to fraction form
    220,110,642.30/330,165,963.45 = 66,764,325.90/x
  3. Step 3: Cross multiply
    220,110,642.30x = 330,165,963.45 × 66,764,325.90
  4. Step 4: Simplify right side
    220,110,642.30x = 22,043,307,984,863,288
  5. Step 5: Solve for x
    x = 22,043,307,984,863,288/220,110,642.30
  6. Step 6: Final answer
    x = 100,146,488.85

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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.