Home / 82,310,040.80-123,512,890.90-36,871,835.30

Finding the Fourth Proportional to 82,310,040.80, 123,512,890.90 and 36,871,835.30

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Solution

The fourth proportional to 82,310,040.80, 123,512,890.90 and 36,871,835.30 is: 55,329,178.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,310,040.80 : 123,512,890.90 = 36,871,835.30 : x
  2. Step 2: Convert to fraction form
    82,310,040.80/123,512,890.90 = 36,871,835.30/x
  3. Step 3: Cross multiply
    82,310,040.80x = 123,512,890.90 × 36,871,835.30
  4. Step 4: Simplify right side
    82,310,040.80x = 4,554,146,970,691,669
  5. Step 5: Solve for x
    x = 4,554,146,970,691,669/82,310,040.80
  6. Step 6: Final answer
    x = 55,329,178.88

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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.