Home / 109,135,961.40-163,703,942.10-74,698,584.60

Finding the Fourth Proportional to 109,135,961.40, 163,703,942.10 and 74,698,584.60

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Solution

The fourth proportional to 109,135,961.40, 163,703,942.10 and 74,698,584.60 is: 112,047,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,135,961.40 : 163,703,942.10 = 74,698,584.60 : x
  2. Step 2: Convert to fraction form
    109,135,961.40/163,703,942.10 = 74,698,584.60/x
  3. Step 3: Cross multiply
    109,135,961.40x = 163,703,942.10 × 74,698,584.60
  4. Step 4: Simplify right side
    109,135,961.40x = 12,228,452,768,310,350
  5. Step 5: Solve for x
    x = 12,228,452,768,310,350/109,135,961.40
  6. Step 6: Final answer
    x = 112,047,876.90

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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.