Home / 294,621,470.31-442,007,271.50-87,367,451.92

Finding the Fourth Proportional to 294,621,470.31, 442,007,271.50 and 87,367,451.92

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Solution

The fourth proportional to 294,621,470.31, 442,007,271.50 and 87,367,451.92 is: 131,073,438.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,621,470.31 : 442,007,271.50 = 87,367,451.92 : x
  2. Step 2: Convert to fraction form
    294,621,470.31/442,007,271.50 = 87,367,451.92/x
  3. Step 3: Cross multiply
    294,621,470.31x = 442,007,271.50 × 87,367,451.92
  4. Step 4: Simplify right side
    294,621,470.31x = 38,617,049,040,848,216
  5. Step 5: Solve for x
    x = 38,617,049,040,848,216/294,621,470.31
  6. Step 6: Final answer
    x = 131,073,438.07

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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.