Home / 115,416,010.80-173,375,958.60-81,403,786.80

Finding the Fourth Proportional to 115,416,010.80, 173,375,958.60 and 81,403,786.80

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Solution

The fourth proportional to 115,416,010.80, 173,375,958.60 and 81,403,786.80 is: 122,283,377.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,416,010.80 : 173,375,958.60 = 81,403,786.80 : x
  2. Step 2: Convert to fraction form
    115,416,010.80/173,375,958.60 = 81,403,786.80/x
  3. Step 3: Cross multiply
    115,416,010.80x = 173,375,958.60 × 81,403,786.80
  4. Step 4: Simplify right side
    115,416,010.80x = 14,113,459,570,120,026
  5. Step 5: Solve for x
    x = 14,113,459,570,120,026/115,416,010.80
  6. Step 6: Final answer
    x = 122,283,377.08

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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.