Home / 82,310,043.30-123,512,894.65-36,871,837.80

Finding the Fourth Proportional to 82,310,043.30, 123,512,894.65 and 36,871,837.80

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Solution

The fourth proportional to 82,310,043.30, 123,512,894.65 and 36,871,837.80 is: 55,329,182.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,310,043.30 : 123,512,894.65 = 36,871,837.80 : x
  2. Step 2: Convert to fraction form
    82,310,043.30/123,512,894.65 = 36,871,837.80/x
  3. Step 3: Cross multiply
    82,310,043.30x = 123,512,894.65 × 36,871,837.80
  4. Step 4: Simplify right side
    82,310,043.30x = 4,554,147,417,743,288
  5. Step 5: Solve for x
    x = 4,554,147,417,743,288/82,310,043.30
  6. Step 6: Final answer
    x = 55,329,182.63

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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.