Home / 82,072,628.38-123,142,855.65-35,990,652.70

Finding the Fourth Proportional to 82,072,628.38, 123,142,855.65 and 35,990,652.70

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Solution

The fourth proportional to 82,072,628.38, 123,142,855.65 and 35,990,652.70 is: 54,000,850.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,072,628.38 : 123,142,855.65 = 35,990,652.70 : x
  2. Step 2: Convert to fraction form
    82,072,628.38/123,142,855.65 = 35,990,652.70/x
  3. Step 3: Cross multiply
    82,072,628.38x = 123,142,855.65 × 35,990,652.70
  4. Step 4: Simplify right side
    82,072,628.38x = 4,431,991,750,185,383.50
  5. Step 5: Solve for x
    x = 4,431,991,750,185,383.50/82,072,628.38
  6. Step 6: Final answer
    x = 54,000,850.68

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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.