Home / 82,413,101.70-123,619,652.55-50,128,316.10

Finding the Fourth Proportional to 82,413,101.70, 123,619,652.55 and 50,128,316.10

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Solution

The fourth proportional to 82,413,101.70, 123,619,652.55 and 50,128,316.10 is: 75,192,474.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,413,101.70 : 123,619,652.55 = 50,128,316.10 : x
  2. Step 2: Convert to fraction form
    82,413,101.70/123,619,652.55 = 50,128,316.10/x
  3. Step 3: Cross multiply
    82,413,101.70x = 123,619,652.55 × 50,128,316.10
  4. Step 4: Simplify right side
    82,413,101.70x = 6,196,845,019,198,571
  5. Step 5: Solve for x
    x = 6,196,845,019,198,571/82,413,101.70
  6. Step 6: Final answer
    x = 75,192,474.15

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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.