Home / 57,717,300.20-79,649,951.91-31,255,700.18

Finding the Fourth Proportional to 57,717,300.20, 79,649,951.91 and 31,255,700.18

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Solution

The fourth proportional to 57,717,300.20, 79,649,951.91 and 31,255,700.18 is: 43,132,908.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,717,300.20 : 79,649,951.91 = 31,255,700.18 : x
  2. Step 2: Convert to fraction form
    57,717,300.20/79,649,951.91 = 31,255,700.18/x
  3. Step 3: Cross multiply
    57,717,300.20x = 79,649,951.91 × 31,255,700.18
  4. Step 4: Simplify right side
    57,717,300.20x = 2,489,515,016,250,378
  5. Step 5: Solve for x
    x = 2,489,515,016,250,378/57,717,300.20
  6. Step 6: Final answer
    x = 43,132,908.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.