Home / 52,178,825.20-78,193,588.20-38,424,636.40

Finding the Fourth Proportional to 52,178,825.20, 78,193,588.20 and 38,424,636.40

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Solution

The fourth proportional to 52,178,825.20, 78,193,588.20 and 38,424,636.40 is: 57,581,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,178,825.20 : 78,193,588.20 = 38,424,636.40 : x
  2. Step 2: Convert to fraction form
    52,178,825.20/78,193,588.20 = 38,424,636.40/x
  3. Step 3: Cross multiply
    52,178,825.20x = 78,193,588.20 × 38,424,636.40
  4. Step 4: Simplify right side
    52,178,825.20x = 3,004,560,195,396,330.50
  5. Step 5: Solve for x
    x = 3,004,560,195,396,330.50/52,178,825.20
  6. Step 6: Final answer
    x = 57,581,982.42

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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.