Home / 109,285,480.80-163,928,221.20-54,865,922.40

Finding the Fourth Proportional to 109,285,480.80, 163,928,221.20 and 54,865,922.40

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Solution

The fourth proportional to 109,285,480.80, 163,928,221.20 and 54,865,922.40 is: 82,298,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,285,480.80 : 163,928,221.20 = 54,865,922.40 : x
  2. Step 2: Convert to fraction form
    109,285,480.80/163,928,221.20 = 54,865,922.40/x
  3. Step 3: Cross multiply
    109,285,480.80x = 163,928,221.20 × 54,865,922.40
  4. Step 4: Simplify right side
    109,285,480.80x = 8,994,073,063,529,234
  5. Step 5: Solve for x
    x = 8,994,073,063,529,234/109,285,480.80
  6. Step 6: Final answer
    x = 82,298,883.60

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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.