Home / 82,019,954.95-123,029,932.43-43,661,724.55

Finding the Fourth Proportional to 82,019,954.95, 123,029,932.43 and 43,661,724.55

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Solution

The fourth proportional to 82,019,954.95, 123,029,932.43 and 43,661,724.55 is: 65,492,586.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,019,954.95 : 123,029,932.43 = 43,661,724.55 : x
  2. Step 2: Convert to fraction form
    82,019,954.95/123,029,932.43 = 43,661,724.55/x
  3. Step 3: Cross multiply
    82,019,954.95x = 123,029,932.43 × 43,661,724.55
  4. Step 4: Simplify right side
    82,019,954.95x = 5,371,699,021,163,772
  5. Step 5: Solve for x
    x = 5,371,699,021,163,772/82,019,954.95
  6. Step 6: Final answer
    x = 65,492,586.83

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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.