Home / 165,207,728.59-247,839,825.25-68,110,357.82

Finding the Fourth Proportional to 165,207,728.59, 247,839,825.25 and 68,110,357.82

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Solution

The fourth proportional to 165,207,728.59, 247,839,825.25 and 68,110,357.82 is: 102,177,176.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,207,728.59 : 247,839,825.25 = 68,110,357.82 : x
  2. Step 2: Convert to fraction form
    165,207,728.59/247,839,825.25 = 68,110,357.82/x
  3. Step 3: Cross multiply
    165,207,728.59x = 247,839,825.25 × 68,110,357.82
  4. Step 4: Simplify right side
    165,207,728.59x = 16,880,459,179,653,494
  5. Step 5: Solve for x
    x = 16,880,459,179,653,494/165,207,728.59
  6. Step 6: Final answer
    x = 102,177,176.11

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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.