Home / 82,057,215.60-123,085,823.40-47,961,010.80

Finding the Fourth Proportional to 82,057,215.60, 123,085,823.40 and 47,961,010.80

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Solution

The fourth proportional to 82,057,215.60, 123,085,823.40 and 47,961,010.80 is: 71,941,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,057,215.60 : 123,085,823.40 = 47,961,010.80 : x
  2. Step 2: Convert to fraction form
    82,057,215.60/123,085,823.40 = 47,961,010.80/x
  3. Step 3: Cross multiply
    82,057,215.60x = 123,085,823.40 × 47,961,010.80
  4. Step 4: Simplify right side
    82,057,215.60x = 5,903,320,505,414,293
  5. Step 5: Solve for x
    x = 5,903,320,505,414,293/82,057,215.60
  6. Step 6: Final answer
    x = 71,941,516.20

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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.