Home / 132,860,673.60-199,291,010.40-81,204,608.40

Finding the Fourth Proportional to 132,860,673.60, 199,291,010.40 and 81,204,608.40

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Solution

The fourth proportional to 132,860,673.60, 199,291,010.40 and 81,204,608.40 is: 121,806,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,673.60 : 199,291,010.40 = 81,204,608.40 : x
  2. Step 2: Convert to fraction form
    132,860,673.60/199,291,010.40 = 81,204,608.40/x
  3. Step 3: Cross multiply
    132,860,673.60x = 199,291,010.40 × 81,204,608.40
  4. Step 4: Simplify right side
    132,860,673.60x = 16,183,348,457,172,330
  5. Step 5: Solve for x
    x = 16,183,348,457,172,330/132,860,673.60
  6. Step 6: Final answer
    x = 121,806,912.60

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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.