Home / 126,035,811.40-189,053,717.10-107,895,958.60

Finding the Fourth Proportional to 126,035,811.40, 189,053,717.10 and 107,895,958.60

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Solution

The fourth proportional to 126,035,811.40, 189,053,717.10 and 107,895,958.60 is: 161,843,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,035,811.40 : 189,053,717.10 = 107,895,958.60 : x
  2. Step 2: Convert to fraction form
    126,035,811.40/189,053,717.10 = 107,895,958.60/x
  3. Step 3: Cross multiply
    126,035,811.40x = 189,053,717.10 × 107,895,958.60
  4. Step 4: Simplify right side
    126,035,811.40x = 20,398,132,033,397,712
  5. Step 5: Solve for x
    x = 20,398,132,033,397,712/126,035,811.40
  6. Step 6: Final answer
    x = 161,843,937.90

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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.