Home / 81,488,706.88-122,245,212.88-26,907,057.76

Finding the Fourth Proportional to 81,488,706.88, 122,245,212.88 and 26,907,057.76

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Solution

The fourth proportional to 81,488,706.88, 122,245,212.88 and 26,907,057.76 is: 40,364,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,488,706.88 : 122,245,212.88 = 26,907,057.76 : x
  2. Step 2: Convert to fraction form
    81,488,706.88/122,245,212.88 = 26,907,057.76/x
  3. Step 3: Cross multiply
    81,488,706.88x = 122,245,212.88 × 26,907,057.76
  4. Step 4: Simplify right side
    81,488,706.88x = 3,289,259,003,845,656
  5. Step 5: Solve for x
    x = 3,289,259,003,845,656/81,488,706.88
  6. Step 6: Final answer
    x = 40,364,599.34

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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.