Home / 143,717,997.60-215,608,489.20-70,969,629.60

Finding the Fourth Proportional to 143,717,997.60, 215,608,489.20 and 70,969,629.60

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Solution

The fourth proportional to 143,717,997.60, 215,608,489.20 and 70,969,629.60 is: 106,469,995.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,717,997.60 : 215,608,489.20 = 70,969,629.60 : x
  2. Step 2: Convert to fraction form
    143,717,997.60/215,608,489.20 = 70,969,629.60/x
  3. Step 3: Cross multiply
    143,717,997.60x = 215,608,489.20 × 70,969,629.60
  4. Step 4: Simplify right side
    143,717,997.60x = 15,301,654,617,139,598
  5. Step 5: Solve for x
    x = 15,301,654,617,139,598/143,717,997.60
  6. Step 6: Final answer
    x = 106,469,995.91

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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.