Home / 52,752,144.80-79,128,217.20-39,819,101.60

Finding the Fourth Proportional to 52,752,144.80, 79,128,217.20 and 39,819,101.60

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Solution

The fourth proportional to 52,752,144.80, 79,128,217.20 and 39,819,101.60 is: 59,728,652.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,752,144.80 : 79,128,217.20 = 39,819,101.60 : x
  2. Step 2: Convert to fraction form
    52,752,144.80/79,128,217.20 = 39,819,101.60/x
  3. Step 3: Cross multiply
    52,752,144.80x = 79,128,217.20 × 39,819,101.60
  4. Step 4: Simplify right side
    52,752,144.80x = 3,150,814,520,113,668
  5. Step 5: Solve for x
    x = 3,150,814,520,113,668/52,752,144.80
  6. Step 6: Final answer
    x = 59,728,652.40

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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.