Home / 155,015,958.40-232,358,049.60-52,685,180.80

Finding the Fourth Proportional to 155,015,958.40, 232,358,049.60 and 52,685,180.80

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Solution

The fourth proportional to 155,015,958.40, 232,358,049.60 and 52,685,180.80 is: 78,971,390.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,015,958.40 : 232,358,049.60 = 52,685,180.80 : x
  2. Step 2: Convert to fraction form
    155,015,958.40/232,358,049.60 = 52,685,180.80/x
  3. Step 3: Cross multiply
    155,015,958.40x = 232,358,049.60 × 52,685,180.80
  4. Step 4: Simplify right side
    155,015,958.40x = 12,241,825,853,511,366
  5. Step 5: Solve for x
    x = 12,241,825,853,511,366/155,015,958.40
  6. Step 6: Final answer
    x = 78,971,390.94

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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.