Home / 247,356,272.80-371,034,409.20-145,067,658.40

Finding the Fourth Proportional to 247,356,272.80, 371,034,409.20 and 145,067,658.40

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Solution

The fourth proportional to 247,356,272.80, 371,034,409.20 and 145,067,658.40 is: 217,601,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,356,272.80 : 371,034,409.20 = 145,067,658.40 : x
  2. Step 2: Convert to fraction form
    247,356,272.80/371,034,409.20 = 145,067,658.40/x
  3. Step 3: Cross multiply
    247,356,272.80x = 371,034,409.20 × 145,067,658.40
  4. Step 4: Simplify right side
    247,356,272.80x = 53,825,092,928,471,416
  5. Step 5: Solve for x
    x = 53,825,092,928,471,416/247,356,272.80
  6. Step 6: Final answer
    x = 217,601,487.60

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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.