Home / 107,350,913.70-161,026,370.55-90,722,715.30

Finding the Fourth Proportional to 107,350,913.70, 161,026,370.55 and 90,722,715.30

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Solution

The fourth proportional to 107,350,913.70, 161,026,370.55 and 90,722,715.30 is: 136,084,072.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,350,913.70 : 161,026,370.55 = 90,722,715.30 : x
  2. Step 2: Convert to fraction form
    107,350,913.70/161,026,370.55 = 90,722,715.30/x
  3. Step 3: Cross multiply
    107,350,913.70x = 161,026,370.55 × 90,722,715.30
  4. Step 4: Simplify right side
    107,350,913.70x = 14,608,749,571,199,956
  5. Step 5: Solve for x
    x = 14,608,749,571,199,956/107,350,913.70
  6. Step 6: Final answer
    x = 136,084,072.95

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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.