Home / 298,898,257.35-448,331,442.79-80,545,093.68

Finding the Fourth Proportional to 298,898,257.35, 448,331,442.79 and 80,545,093.68

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Solution

The fourth proportional to 298,898,257.35, 448,331,442.79 and 80,545,093.68 is: 120,813,344.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,898,257.35 : 448,331,442.79 = 80,545,093.68 : x
  2. Step 2: Convert to fraction form
    298,898,257.35/448,331,442.79 = 80,545,093.68/x
  3. Step 3: Cross multiply
    298,898,257.35x = 448,331,442.79 × 80,545,093.68
  4. Step 4: Simplify right side
    298,898,257.35x = 36,110,898,056,565,728
  5. Step 5: Solve for x
    x = 36,110,898,056,565,728/298,898,257.35
  6. Step 6: Final answer
    x = 120,813,344.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.