Home / 126,724,687.52-174,959,052.72-87,100,446.56

Finding the Fourth Proportional to 126,724,687.52, 174,959,052.72 and 87,100,446.56

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Solution

The fourth proportional to 126,724,687.52, 174,959,052.72 and 87,100,446.56 is: 120,252,903.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,724,687.52 : 174,959,052.72 = 87,100,446.56 : x
  2. Step 2: Convert to fraction form
    126,724,687.52/174,959,052.72 = 87,100,446.56/x
  3. Step 3: Cross multiply
    126,724,687.52x = 174,959,052.72 × 87,100,446.56
  4. Step 4: Simplify right side
    126,724,687.52x = 15,239,011,621,626,582
  5. Step 5: Solve for x
    x = 15,239,011,621,626,582/126,724,687.52
  6. Step 6: Final answer
    x = 120,252,903.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.