Home / 107,350,880.70-161,026,321.05-90,722,682.30

Finding the Fourth Proportional to 107,350,880.70, 161,026,321.05 and 90,722,682.30

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Solution

The fourth proportional to 107,350,880.70, 161,026,321.05 and 90,722,682.30 is: 136,084,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,350,880.70 : 161,026,321.05 = 90,722,682.30 : x
  2. Step 2: Convert to fraction form
    107,350,880.70/161,026,321.05 = 90,722,682.30/x
  3. Step 3: Cross multiply
    107,350,880.70x = 161,026,321.05 × 90,722,682.30
  4. Step 4: Simplify right side
    107,350,880.70x = 14,608,739,766,556,954
  5. Step 5: Solve for x
    x = 14,608,739,766,556,954/107,350,880.70
  6. Step 6: Final answer
    x = 136,084,023.45

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Double scale
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Similar ratio
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1.5x scale

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.