Home / 204,730,374.38-307,095,561.56-68,415,757.88

Finding the Fourth Proportional to 204,730,374.38, 307,095,561.56 and 68,415,757.88

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Solution

The fourth proportional to 204,730,374.38, 307,095,561.56 and 68,415,757.88 is: 102,623,636.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,730,374.38 : 307,095,561.56 = 68,415,757.88 : x
  2. Step 2: Convert to fraction form
    204,730,374.38/307,095,561.56 = 68,415,757.88/x
  3. Step 3: Cross multiply
    204,730,374.38x = 307,095,561.56 × 68,415,757.88
  4. Step 4: Simplify right side
    204,730,374.38x = 21,010,175,584,347,156
  5. Step 5: Solve for x
    x = 21,010,175,584,347,156/204,730,374.38
  6. Step 6: Final answer
    x = 102,623,636.81

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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.