Home / 56,205,502.92-77,520,799.62-48,378,336.84

Finding the Fourth Proportional to 56,205,502.92, 77,520,799.62 and 48,378,336.84

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Solution

The fourth proportional to 56,205,502.92, 77,520,799.62 and 48,378,336.84 is: 66,725,269.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,205,502.92 : 77,520,799.62 = 48,378,336.84 : x
  2. Step 2: Convert to fraction form
    56,205,502.92/77,520,799.62 = 48,378,336.84/x
  3. Step 3: Cross multiply
    56,205,502.92x = 77,520,799.62 × 48,378,336.84
  4. Step 4: Simplify right side
    56,205,502.92x = 3,750,327,356,122,504.50
  5. Step 5: Solve for x
    x = 3,750,327,356,122,504.50/56,205,502.92
  6. Step 6: Final answer
    x = 66,725,269.97

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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.