Home / 57,717,102.20-79,649,677.82-31,255,501.64

Finding the Fourth Proportional to 57,717,102.20, 79,649,677.82 and 31,255,501.64

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Solution

The fourth proportional to 57,717,102.20, 79,649,677.82 and 31,255,501.64 is: 43,132,633.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,717,102.20 : 79,649,677.82 = 31,255,501.64 : x
  2. Step 2: Convert to fraction form
    57,717,102.20/79,649,677.82 = 31,255,501.64/x
  3. Step 3: Cross multiply
    57,717,102.20x = 79,649,677.82 × 31,255,501.64
  4. Step 4: Simplify right side
    57,717,102.20x = 2,489,490,635,670,325
  5. Step 5: Solve for x
    x = 2,489,490,635,670,325/57,717,102.20
  6. Step 6: Final answer
    x = 43,132,633.84

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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.