Home / 78,546,140.94-117,738,370.28-34,847,479

Finding the Fourth Proportional to 78,546,140.94, 117,738,370.28 and 34,847,479

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Solution

The fourth proportional to 78,546,140.94, 117,738,370.28 and 34,847,479 is: 52,235,352.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,546,140.94 : 117,738,370.28 = 34,847,479 : x
  2. Step 2: Convert to fraction form
    78,546,140.94/117,738,370.28 = 34,847,479/x
  3. Step 3: Cross multiply
    78,546,140.94x = 117,738,370.28 × 34,847,479
  4. Step 4: Simplify right side
    78,546,140.94x = 4,102,885,385,826,524
  5. Step 5: Solve for x
    x = 4,102,885,385,826,524/78,546,140.94
  6. Step 6: Final answer
    x = 52,235,352.83

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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.