Home / 273,986,875.43-410,980,305.21-126,390,766.42

Finding the Fourth Proportional to 273,986,875.43, 410,980,305.21 and 126,390,766.42

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Solution

The fourth proportional to 273,986,875.43, 410,980,305.21 and 126,390,766.42 is: 189,586,145.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,986,875.43 : 410,980,305.21 = 126,390,766.42 : x
  2. Step 2: Convert to fraction form
    273,986,875.43/410,980,305.21 = 126,390,766.42/x
  3. Step 3: Cross multiply
    273,986,875.43x = 410,980,305.21 × 126,390,766.42
  4. Step 4: Simplify right side
    273,986,875.43x = 51,944,115,757,454,944
  5. Step 5: Solve for x
    x = 51,944,115,757,454,944/273,986,875.43
  6. Step 6: Final answer
    x = 189,586,145.96

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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.