Home / 108,515,119.50-149,713,828.11-67,246,954.38

Finding the Fourth Proportional to 108,515,119.50, 149,713,828.11 and 67,246,954.38

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Solution

The fourth proportional to 108,515,119.50, 149,713,828.11 and 67,246,954.38 is: 92,777,845.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,515,119.50 : 149,713,828.11 = 67,246,954.38 : x
  2. Step 2: Convert to fraction form
    108,515,119.50/149,713,828.11 = 67,246,954.38/x
  3. Step 3: Cross multiply
    108,515,119.50x = 149,713,828.11 × 67,246,954.38
  4. Step 4: Simplify right side
    108,515,119.50x = 10,067,798,968,968,332
  5. Step 5: Solve for x
    x = 10,067,798,968,968,332/108,515,119.50
  6. Step 6: Final answer
    x = 92,777,845.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.