Home / 294,621,471.12-442,007,272.72-87,367,452.74

Finding the Fourth Proportional to 294,621,471.12, 442,007,272.72 and 87,367,452.74

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Solution

The fourth proportional to 294,621,471.12, 442,007,272.72 and 87,367,452.74 is: 131,073,439.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,621,471.12 : 442,007,272.72 = 87,367,452.74 : x
  2. Step 2: Convert to fraction form
    294,621,471.12/442,007,272.72 = 87,367,452.74/x
  3. Step 3: Cross multiply
    294,621,471.12x = 442,007,272.72 × 87,367,452.74
  4. Step 4: Simplify right side
    294,621,471.12x = 38,617,049,507,454,016
  5. Step 5: Solve for x
    x = 38,617,049,507,454,016/294,621,471.12
  6. Step 6: Final answer
    x = 131,073,439.29

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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.