Home / 79,126,601.82-109,248,032.24-49,402,552.65

Finding the Fourth Proportional to 79,126,601.82, 109,248,032.24 and 49,402,552.65

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Solution

The fourth proportional to 79,126,601.82, 109,248,032.24 and 49,402,552.65 is: 68,208,813.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,126,601.82 : 109,248,032.24 = 49,402,552.65 : x
  2. Step 2: Convert to fraction form
    79,126,601.82/109,248,032.24 = 49,402,552.65/x
  3. Step 3: Cross multiply
    79,126,601.82x = 109,248,032.24 × 49,402,552.65
  4. Step 4: Simplify right side
    79,126,601.82x = 5,397,131,664,645,497
  5. Step 5: Solve for x
    x = 5,397,131,664,645,497/79,126,601.82
  6. Step 6: Final answer
    x = 68,208,813.98

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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.