Home / 53,830,144.20-80,745,216.30-28,002,111.60

Finding the Fourth Proportional to 53,830,144.20, 80,745,216.30 and 28,002,111.60

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Solution

The fourth proportional to 53,830,144.20, 80,745,216.30 and 28,002,111.60 is: 42,003,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,830,144.20 : 80,745,216.30 = 28,002,111.60 : x
  2. Step 2: Convert to fraction form
    53,830,144.20/80,745,216.30 = 28,002,111.60/x
  3. Step 3: Cross multiply
    53,830,144.20x = 80,745,216.30 × 28,002,111.60
  4. Step 4: Simplify right side
    53,830,144.20x = 2,261,036,557,998,739
  5. Step 5: Solve for x
    x = 2,261,036,557,998,739/53,830,144.20
  6. Step 6: Final answer
    x = 42,003,167.40

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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.