Home / 77,056,851.20-115,587,713.28-28,546,845.44

Finding the Fourth Proportional to 77,056,851.20, 115,587,713.28 and 28,546,845.44

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Solution

The fourth proportional to 77,056,851.20, 115,587,713.28 and 28,546,845.44 is: 42,821,170.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,056,851.20 : 115,587,713.28 = 28,546,845.44 : x
  2. Step 2: Convert to fraction form
    77,056,851.20/115,587,713.28 = 28,546,845.44/x
  3. Step 3: Cross multiply
    77,056,851.20x = 115,587,713.28 × 28,546,845.44
  4. Step 4: Simplify right side
    77,056,851.20x = 3,299,664,585,767,195.50
  5. Step 5: Solve for x
    x = 3,299,664,585,767,195.50/77,056,851.20
  6. Step 6: Final answer
    x = 42,821,170.79

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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.