Home / 109,890,082.20-164,835,123.30-103,619,515.80

Finding the Fourth Proportional to 109,890,082.20, 164,835,123.30 and 103,619,515.80

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Solution

The fourth proportional to 109,890,082.20, 164,835,123.30 and 103,619,515.80 is: 155,429,273.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,890,082.20 : 164,835,123.30 = 103,619,515.80 : x
  2. Step 2: Convert to fraction form
    109,890,082.20/164,835,123.30 = 103,619,515.80/x
  3. Step 3: Cross multiply
    109,890,082.20x = 164,835,123.30 × 103,619,515.80
  4. Step 4: Simplify right side
    109,890,082.20x = 17,080,135,663,179,298
  5. Step 5: Solve for x
    x = 17,080,135,663,179,298/109,890,082.20
  6. Step 6: Final answer
    x = 155,429,273.70

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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.