Home / 57,717,099.23-79,649,673.75-31,255,498.72

Finding the Fourth Proportional to 57,717,099.23, 79,649,673.75 and 31,255,498.72

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Solution

The fourth proportional to 57,717,099.23, 79,649,673.75 and 31,255,498.72 is: 43,132,629.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,717,099.23 : 79,649,673.75 = 31,255,498.72 : x
  2. Step 2: Convert to fraction form
    57,717,099.23/79,649,673.75 = 31,255,498.72/x
  3. Step 3: Cross multiply
    57,717,099.23x = 79,649,673.75 × 31,255,498.72
  4. Step 4: Simplify right side
    57,717,099.23x = 2,489,490,275,941,542.50
  5. Step 5: Solve for x
    x = 2,489,490,275,941,542.50/57,717,099.23
  6. Step 6: Final answer
    x = 43,132,629.83

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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.