Home / 324,117,857.52-486,178,032.87-78,474,083.13

Finding the Fourth Proportional to 324,117,857.52, 486,178,032.87 and 78,474,083.13

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Solution

The fourth proportional to 324,117,857.52, 486,178,032.87 and 78,474,083.13 is: 117,711,426.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,117,857.52 : 486,178,032.87 = 78,474,083.13 : x
  2. Step 2: Convert to fraction form
    324,117,857.52/486,178,032.87 = 78,474,083.13/x
  3. Step 3: Cross multiply
    324,117,857.52x = 486,178,032.87 × 78,474,083.13
  4. Step 4: Simplify right side
    324,117,857.52x = 38,152,375,367,420,248
  5. Step 5: Solve for x
    x = 38,152,375,367,420,248/324,117,857.52
  6. Step 6: Final answer
    x = 117,711,426.51

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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.