Home / 56,379,285.92-77,801,335.44-30,624,620.96

Finding the Fourth Proportional to 56,379,285.92, 77,801,335.44 and 30,624,620.96

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Solution

The fourth proportional to 56,379,285.92, 77,801,335.44 and 30,624,620.96 is: 42,260,847.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,379,285.92 : 77,801,335.44 = 30,624,620.96 : x
  2. Step 2: Convert to fraction form
    56,379,285.92/77,801,335.44 = 30,624,620.96/x
  3. Step 3: Cross multiply
    56,379,285.92x = 77,801,335.44 × 30,624,620.96
  4. Step 4: Simplify right side
    56,379,285.92x = 2,382,636,408,031,815
  5. Step 5: Solve for x
    x = 2,382,636,408,031,815/56,379,285.92
  6. Step 6: Final answer
    x = 42,260,847.56

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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.