Home / 57,717,103.23-79,649,679.27-31,255,502.72

Finding the Fourth Proportional to 57,717,103.23, 79,649,679.27 and 31,255,502.72

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Solution

The fourth proportional to 57,717,103.23, 79,649,679.27 and 31,255,502.72 is: 43,132,635.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,717,103.23 : 79,649,679.27 = 31,255,502.72 : x
  2. Step 2: Convert to fraction form
    57,717,103.23/79,649,679.27 = 31,255,502.72/x
  3. Step 3: Cross multiply
    57,717,103.23x = 79,649,679.27 × 31,255,502.72
  4. Step 4: Simplify right side
    57,717,103.23x = 2,489,490,767,070,612.50
  5. Step 5: Solve for x
    x = 2,489,490,767,070,612.50/57,717,103.23
  6. Step 6: Final answer
    x = 43,132,635.35

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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.