Home / 68,324,237.28-94,278,145.20-40,816,324.32

Finding the Fourth Proportional to 68,324,237.28, 94,278,145.20 and 40,816,324.32

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Solution

The fourth proportional to 68,324,237.28, 94,278,145.20 and 40,816,324.32 is: 56,320,970.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,324,237.28 : 94,278,145.20 = 40,816,324.32 : x
  2. Step 2: Convert to fraction form
    68,324,237.28/94,278,145.20 = 40,816,324.32/x
  3. Step 3: Cross multiply
    68,324,237.28x = 94,278,145.20 × 40,816,324.32
  4. Step 4: Simplify right side
    68,324,237.28x = 3,848,087,350,771,251.50
  5. Step 5: Solve for x
    x = 3,848,087,350,771,251.50/68,324,237.28
  6. Step 6: Final answer
    x = 56,320,970.48

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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.