Home / 68,338,494.72-94,307,061.24-38,575,408.92

Finding the Fourth Proportional to 68,338,494.72, 94,307,061.24 and 38,575,408.92

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Solution

The fourth proportional to 68,338,494.72, 94,307,061.24 and 38,575,408.92 is: 53,234,029.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,338,494.72 : 94,307,061.24 = 38,575,408.92 : x
  2. Step 2: Convert to fraction form
    68,338,494.72/94,307,061.24 = 38,575,408.92/x
  3. Step 3: Cross multiply
    68,338,494.72x = 94,307,061.24 × 38,575,408.92
  4. Step 4: Simplify right side
    68,338,494.72x = 3,637,933,451,376,482
  5. Step 5: Solve for x
    x = 3,637,933,451,376,482/68,338,494.72
  6. Step 6: Final answer
    x = 53,234,029.61

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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.