Home / 143,717,998.60-215,608,490.70-70,969,630.60

Finding the Fourth Proportional to 143,717,998.60, 215,608,490.70 and 70,969,630.60

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Solution

The fourth proportional to 143,717,998.60, 215,608,490.70 and 70,969,630.60 is: 106,469,997.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,717,998.60 : 215,608,490.70 = 70,969,630.60 : x
  2. Step 2: Convert to fraction form
    143,717,998.60/215,608,490.70 = 70,969,630.60/x
  3. Step 3: Cross multiply
    143,717,998.60x = 215,608,490.70 × 70,969,630.60
  4. Step 4: Simplify right side
    143,717,998.60x = 15,301,654,939,202,534
  5. Step 5: Solve for x
    x = 15,301,654,939,202,534/143,717,998.60
  6. Step 6: Final answer
    x = 106,469,997.41

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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.