Home / 78,546,144.70-117,738,375.90-34,847,482.75

Finding the Fourth Proportional to 78,546,144.70, 117,738,375.90 and 34,847,482.75

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Solution

The fourth proportional to 78,546,144.70, 117,738,375.90 and 34,847,482.75 is: 52,235,358.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,546,144.70 : 117,738,375.90 = 34,847,482.75 : x
  2. Step 2: Convert to fraction form
    78,546,144.70/117,738,375.90 = 34,847,482.75/x
  3. Step 3: Cross multiply
    78,546,144.70x = 117,738,375.90 × 34,847,482.75
  4. Step 4: Simplify right side
    78,546,144.70x = 4,102,886,023,188,266
  5. Step 5: Solve for x
    x = 4,102,886,023,188,266/78,546,144.70
  6. Step 6: Final answer
    x = 52,235,358.45

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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.