Home / 220,194,806.70-330,281,712.45-74,614,089.90

Finding the Fourth Proportional to 220,194,806.70, 330,281,712.45 and 74,614,089.90

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Solution

The fourth proportional to 220,194,806.70, 330,281,712.45 and 74,614,089.90 is: 111,917,577.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,194,806.70 : 330,281,712.45 = 74,614,089.90 : x
  2. Step 2: Convert to fraction form
    220,194,806.70/330,281,712.45 = 74,614,089.90/x
  3. Step 3: Cross multiply
    220,194,806.70x = 330,281,712.45 × 74,614,089.90
  4. Step 4: Simplify right side
    220,194,806.70x = 24,643,669,385,070,252
  5. Step 5: Solve for x
    x = 24,643,669,385,070,252/220,194,806.70
  6. Step 6: Final answer
    x = 111,917,577.69

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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.