Home / 112,627,310.88-168,965,849.44-40,821,860.64

Finding the Fourth Proportional to 112,627,310.88, 168,965,849.44 and 40,821,860.64

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Solution

The fourth proportional to 112,627,310.88, 168,965,849.44 and 40,821,860.64 is: 61,241,809.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,627,310.88 : 168,965,849.44 = 40,821,860.64 : x
  2. Step 2: Convert to fraction form
    112,627,310.88/168,965,849.44 = 40,821,860.64/x
  3. Step 3: Cross multiply
    112,627,310.88x = 168,965,849.44 × 40,821,860.64
  4. Step 4: Simplify right side
    112,627,310.88x = 6,897,500,358,758,902
  5. Step 5: Solve for x
    x = 6,897,500,358,758,902/112,627,310.88
  6. Step 6: Final answer
    x = 61,241,809.87

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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.