Home / 82,469,311.04-113,810,252.64-49,418,667.20

Finding the Fourth Proportional to 82,469,311.04, 113,810,252.64 and 49,418,667.20

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Solution

The fourth proportional to 82,469,311.04, 113,810,252.64 and 49,418,667.20 is: 68,199,320.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,469,311.04 : 113,810,252.64 = 49,418,667.20 : x
  2. Step 2: Convert to fraction form
    82,469,311.04/113,810,252.64 = 49,418,667.20/x
  3. Step 3: Cross multiply
    82,469,311.04x = 113,810,252.64 × 49,418,667.20
  4. Step 4: Simplify right side
    82,469,311.04x = 5,624,350,999,164,082
  5. Step 5: Solve for x
    x = 5,624,350,999,164,082/82,469,311.04
  6. Step 6: Final answer
    x = 68,199,320.79

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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.