Home / 120,429,824.94-166,196,563.92-68,218,844.94

Finding the Fourth Proportional to 120,429,824.94, 166,196,563.92 and 68,218,844.94

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Solution

The fourth proportional to 120,429,824.94, 166,196,563.92 and 68,218,844.94 is: 94,143,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,429,824.94 : 166,196,563.92 = 68,218,844.94 : x
  2. Step 2: Convert to fraction form
    120,429,824.94/166,196,563.92 = 68,218,844.94/x
  3. Step 3: Cross multiply
    120,429,824.94x = 166,196,563.92 × 68,218,844.94
  4. Step 4: Simplify right side
    120,429,824.94x = 11,337,737,623,619,278
  5. Step 5: Solve for x
    x = 11,337,737,623,619,278/120,429,824.94
  6. Step 6: Final answer
    x = 94,143,935.10

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