Home / 71,619,251.09-107,418,083.43-45,891,340.56

Finding the Fourth Proportional to 71,619,251.09, 107,418,083.43 and 45,891,340.56

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Solution

The fourth proportional to 71,619,251.09, 107,418,083.43 and 45,891,340.56 is: 68,830,094.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,619,251.09 : 107,418,083.43 = 45,891,340.56 : x
  2. Step 2: Convert to fraction form
    71,619,251.09/107,418,083.43 = 45,891,340.56/x
  3. Step 3: Cross multiply
    71,619,251.09x = 107,418,083.43 × 45,891,340.56
  4. Step 4: Simplify right side
    71,619,251.09x = 4,929,559,848,902,806
  5. Step 5: Solve for x
    x = 4,929,559,848,902,806/71,619,251.09
  6. Step 6: Final answer
    x = 68,830,094.90

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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.