Home / 84,876,896.76-127,061,581.94-51,983,895.96

Finding the Fourth Proportional to 84,876,896.76, 127,061,581.94 and 51,983,895.96

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Solution

The fourth proportional to 84,876,896.76, 127,061,581.94 and 51,983,895.96 is: 77,820,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,876,896.76 : 127,061,581.94 = 51,983,895.96 : x
  2. Step 2: Convert to fraction form
    84,876,896.76/127,061,581.94 = 51,983,895.96/x
  3. Step 3: Cross multiply
    84,876,896.76x = 127,061,581.94 × 51,983,895.96
  4. Step 4: Simplify right side
    84,876,896.76x = 6,605,156,056,081,975
  5. Step 5: Solve for x
    x = 6,605,156,056,081,975/84,876,896.76
  6. Step 6: Final answer
    x = 77,820,423.56

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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.