Home / 88,552,257.72-122,205,154.38-51,379,731

Finding the Fourth Proportional to 88,552,257.72, 122,205,154.38 and 51,379,731

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Solution

The fourth proportional to 88,552,257.72, 122,205,154.38 and 51,379,731 is: 70,905,791.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,552,257.72 : 122,205,154.38 = 51,379,731 : x
  2. Step 2: Convert to fraction form
    88,552,257.72/122,205,154.38 = 51,379,731/x
  3. Step 3: Cross multiply
    88,552,257.72x = 122,205,154.38 × 51,379,731
  4. Step 4: Simplify right side
    88,552,257.72x = 6,278,867,958,857,872
  5. Step 5: Solve for x
    x = 6,278,867,958,857,872/88,552,257.72
  6. Step 6: Final answer
    x = 70,905,791.91

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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.