Home / 126,035,998.40-189,053,997.60-107,896,145.60

Finding the Fourth Proportional to 126,035,998.40, 189,053,997.60 and 107,896,145.60

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Solution

The fourth proportional to 126,035,998.40, 189,053,997.60 and 107,896,145.60 is: 161,844,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,035,998.40 : 189,053,997.60 = 107,896,145.60 : x
  2. Step 2: Convert to fraction form
    126,035,998.40/189,053,997.60 = 107,896,145.60/x
  3. Step 3: Cross multiply
    126,035,998.40x = 189,053,997.60 × 107,896,145.60
  4. Step 4: Simplify right side
    126,035,998.40x = 20,398,197,651,311,648
  5. Step 5: Solve for x
    x = 20,398,197,651,311,648/126,035,998.40
  6. Step 6: Final answer
    x = 161,844,218.40

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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.