Home / 107,350,799.70-161,026,199.55-90,722,601.30

Finding the Fourth Proportional to 107,350,799.70, 161,026,199.55 and 90,722,601.30

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Solution

The fourth proportional to 107,350,799.70, 161,026,199.55 and 90,722,601.30 is: 136,083,901.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,350,799.70 : 161,026,199.55 = 90,722,601.30 : x
  2. Step 2: Convert to fraction form
    107,350,799.70/161,026,199.55 = 90,722,601.30/x
  3. Step 3: Cross multiply
    107,350,799.70x = 161,026,199.55 × 90,722,601.30
  4. Step 4: Simplify right side
    107,350,799.70x = 14,608,715,700,628,890
  5. Step 5: Solve for x
    x = 14,608,715,700,628,890/107,350,799.70
  6. Step 6: Final answer
    x = 136,083,901.95

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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.