Home / 89,642,992.44-123,704,063.56-49,948,472.24

Finding the Fourth Proportional to 89,642,992.44, 123,704,063.56 and 49,948,472.24

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Solution

The fourth proportional to 89,642,992.44, 123,704,063.56 and 49,948,472.24 is: 68,927,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,642,992.44 : 123,704,063.56 = 49,948,472.24 : x
  2. Step 2: Convert to fraction form
    89,642,992.44/123,704,063.56 = 49,948,472.24/x
  3. Step 3: Cross multiply
    89,642,992.44x = 123,704,063.56 × 49,948,472.24
  4. Step 4: Simplify right side
    89,642,992.44x = 6,178,828,984,083,335
  5. Step 5: Solve for x
    x = 6,178,828,984,083,335/89,642,992.44
  6. Step 6: Final answer
    x = 68,927,071.89

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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.