Home / 82,047,874.92-123,072,020.85-33,525,728.82

Finding the Fourth Proportional to 82,047,874.92, 123,072,020.85 and 33,525,728.82

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Solution

The fourth proportional to 82,047,874.92, 123,072,020.85 and 33,525,728.82 is: 50,288,678.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,047,874.92 : 123,072,020.85 = 33,525,728.82 : x
  2. Step 2: Convert to fraction form
    82,047,874.92/123,072,020.85 = 33,525,728.82/x
  3. Step 3: Cross multiply
    82,047,874.92x = 123,072,020.85 × 33,525,728.82
  4. Step 4: Simplify right side
    82,047,874.92x = 4,126,079,196,346,485.50
  5. Step 5: Solve for x
    x = 4,126,079,196,346,485.50/82,047,874.92
  6. Step 6: Final answer
    x = 50,288,678.41

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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.