Home / 89,636,504.76-123,703,648.80-54,835,865.88

Finding the Fourth Proportional to 89,636,504.76, 123,703,648.80 and 54,835,865.88

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Solution

The fourth proportional to 89,636,504.76, 123,703,648.80 and 54,835,865.88 is: 75,676,720.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,636,504.76 : 123,703,648.80 = 54,835,865.88 : x
  2. Step 2: Convert to fraction form
    89,636,504.76/123,703,648.80 = 54,835,865.88/x
  3. Step 3: Cross multiply
    89,636,504.76x = 123,703,648.80 × 54,835,865.88
  4. Step 4: Simplify right side
    89,636,504.76x = 6,783,396,694,463,423
  5. Step 5: Solve for x
    x = 6,783,396,694,463,423/89,636,504.76
  6. Step 6: Final answer
    x = 75,676,720.25

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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.