Home / 52,178,827.20-78,193,591.20-38,424,638.40

Finding the Fourth Proportional to 52,178,827.20, 78,193,591.20 and 38,424,638.40

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Solution

The fourth proportional to 52,178,827.20, 78,193,591.20 and 38,424,638.40 is: 57,581,985.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,178,827.20 : 78,193,591.20 = 38,424,638.40 : x
  2. Step 2: Convert to fraction form
    52,178,827.20/78,193,591.20 = 38,424,638.40/x
  3. Step 3: Cross multiply
    52,178,827.20x = 78,193,591.20 × 38,424,638.40
  4. Step 4: Simplify right side
    52,178,827.20x = 3,004,560,467,057,422
  5. Step 5: Solve for x
    x = 3,004,560,467,057,422/52,178,827.20
  6. Step 6: Final answer
    x = 57,581,985.42

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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.