Home / 89,227,240.77-123,138,074.09-55,756,938.97

Finding the Fourth Proportional to 89,227,240.77, 123,138,074.09 and 55,756,938.97

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Solution

The fourth proportional to 89,227,240.77, 123,138,074.09 and 55,756,938.97 is: 76,947,376.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,227,240.77 : 123,138,074.09 = 55,756,938.97 : x
  2. Step 2: Convert to fraction form
    89,227,240.77/123,138,074.09 = 55,756,938.97/x
  3. Step 3: Cross multiply
    89,227,240.77x = 123,138,074.09 × 55,756,938.97
  4. Step 4: Simplify right side
    89,227,240.77x = 6,865,802,081,898,871
  5. Step 5: Solve for x
    x = 6,865,802,081,898,871/89,227,240.77
  6. Step 6: Final answer
    x = 76,947,376.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.