Home / 53,158,565.20-79,737,847.80-52,654,680.40

Finding the Fourth Proportional to 53,158,565.20, 79,737,847.80 and 52,654,680.40

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Solution

The fourth proportional to 53,158,565.20, 79,737,847.80 and 52,654,680.40 is: 78,982,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,158,565.20 : 79,737,847.80 = 52,654,680.40 : x
  2. Step 2: Convert to fraction form
    53,158,565.20/79,737,847.80 = 52,654,680.40/x
  3. Step 3: Cross multiply
    53,158,565.20x = 79,737,847.80 × 52,654,680.40
  4. Step 4: Simplify right side
    53,158,565.20x = 4,198,570,891,692,843
  5. Step 5: Solve for x
    x = 4,198,570,891,692,843/53,158,565.20
  6. Step 6: Final answer
    x = 78,982,020.60

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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.