Home / 68,324,235.28-94,278,142.44-40,816,322.32

Finding the Fourth Proportional to 68,324,235.28, 94,278,142.44 and 40,816,322.32

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Solution

The fourth proportional to 68,324,235.28, 94,278,142.44 and 40,816,322.32 is: 56,320,967.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,324,235.28 : 94,278,142.44 = 40,816,322.32 : x
  2. Step 2: Convert to fraction form
    68,324,235.28/94,278,142.44 = 40,816,322.32/x
  3. Step 3: Cross multiply
    68,324,235.28x = 94,278,142.44 × 40,816,322.32
  4. Step 4: Simplify right side
    68,324,235.28x = 3,848,087,049,561,911
  5. Step 5: Solve for x
    x = 3,848,087,049,561,911/68,324,235.28
  6. Step 6: Final answer
    x = 56,320,967.72

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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.