Home / 324,117,858.52-486,178,034.37-78,474,084.13

Finding the Fourth Proportional to 324,117,858.52, 486,178,034.37 and 78,474,084.13

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Solution

The fourth proportional to 324,117,858.52, 486,178,034.37 and 78,474,084.13 is: 117,711,428.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,117,858.52 : 486,178,034.37 = 78,474,084.13 : x
  2. Step 2: Convert to fraction form
    324,117,858.52/486,178,034.37 = 78,474,084.13/x
  3. Step 3: Cross multiply
    324,117,858.52x = 486,178,034.37 × 78,474,084.13
  4. Step 4: Simplify right side
    324,117,858.52x = 38,152,375,971,309,408
  5. Step 5: Solve for x
    x = 38,152,375,971,309,408/324,117,858.52
  6. Step 6: Final answer
    x = 117,711,428.01

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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.