Home / 126,024,167.70-189,036,251.55-30,286,055.70

Finding the Fourth Proportional to 126,024,167.70, 189,036,251.55 and 30,286,055.70

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Solution

The fourth proportional to 126,024,167.70, 189,036,251.55 and 30,286,055.70 is: 45,429,083.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,024,167.70 : 189,036,251.55 = 30,286,055.70 : x
  2. Step 2: Convert to fraction form
    126,024,167.70/189,036,251.55 = 30,286,055.70/x
  3. Step 3: Cross multiply
    126,024,167.70x = 189,036,251.55 × 30,286,055.70
  4. Step 4: Simplify right side
    126,024,167.70x = 5,725,162,443,762,512
  5. Step 5: Solve for x
    x = 5,725,162,443,762,512/126,024,167.70
  6. Step 6: Final answer
    x = 45,429,083.55

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1.5x scale

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.