Home / 52,739,337.22-79,131,739.38-28,473,445.78

Finding the Fourth Proportional to 52,739,337.22, 79,131,739.38 and 28,473,445.78

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Solution

The fourth proportional to 52,739,337.22, 79,131,739.38 and 28,473,445.78 is: 42,722,442.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,739,337.22 : 79,131,739.38 = 28,473,445.78 : x
  2. Step 2: Convert to fraction form
    52,739,337.22/79,131,739.38 = 28,473,445.78/x
  3. Step 3: Cross multiply
    52,739,337.22x = 79,131,739.38 × 28,473,445.78
  4. Step 4: Simplify right side
    52,739,337.22x = 2,253,153,290,713,521
  5. Step 5: Solve for x
    x = 2,253,153,290,713,521/52,739,337.22
  6. Step 6: Final answer
    x = 42,722,442.29

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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.