Home / 121,815,929.16-182,650,902.48-38,781,796.68

Finding the Fourth Proportional to 121,815,929.16, 182,650,902.48 and 38,781,796.68

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Solution

The fourth proportional to 121,815,929.16, 182,650,902.48 and 38,781,796.68 is: 58,149,457.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,815,929.16 : 182,650,902.48 = 38,781,796.68 : x
  2. Step 2: Convert to fraction form
    121,815,929.16/182,650,902.48 = 38,781,796.68/x
  3. Step 3: Cross multiply
    121,815,929.16x = 182,650,902.48 × 38,781,796.68
  4. Step 4: Simplify right side
    121,815,929.16x = 7,083,530,163,397,867
  5. Step 5: Solve for x
    x = 7,083,530,163,397,867/121,815,929.16
  6. Step 6: Final answer
    x = 58,149,457.24

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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.