Home / 61,969,520.80-92,957,780.40-18,840,131.20

Finding the Fourth Proportional to 61,969,520.80, 92,957,780.40 and 18,840,131.20

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Solution

The fourth proportional to 61,969,520.80, 92,957,780.40 and 18,840,131.20 is: 28,261,260.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,969,520.80 : 92,957,780.40 = 18,840,131.20 : x
  2. Step 2: Convert to fraction form
    61,969,520.80/92,957,780.40 = 18,840,131.20/x
  3. Step 3: Cross multiply
    61,969,520.80x = 92,957,780.40 × 18,840,131.20
  4. Step 4: Simplify right side
    61,969,520.80x = 1,751,336,778,796,788.50
  5. Step 5: Solve for x
    x = 1,751,336,778,796,788.50/61,969,520.80
  6. Step 6: Final answer
    x = 28,261,260.64

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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.