Home / 126,027,369.20-189,041,053.80-49,324,905.20

Finding the Fourth Proportional to 126,027,369.20, 189,041,053.80 and 49,324,905.20

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Solution

The fourth proportional to 126,027,369.20, 189,041,053.80 and 49,324,905.20 is: 73,987,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,027,369.20 : 189,041,053.80 = 49,324,905.20 : x
  2. Step 2: Convert to fraction form
    126,027,369.20/189,041,053.80 = 49,324,905.20/x
  3. Step 3: Cross multiply
    126,027,369.20x = 189,041,053.80 × 49,324,905.20
  4. Step 4: Simplify right side
    126,027,369.20x = 9,324,432,057,593,100
  5. Step 5: Solve for x
    x = 9,324,432,057,593,100/126,027,369.20
  6. Step 6: Final answer
    x = 73,987,357.80

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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.