Home / 67,338,450.40-100,755,441.60-47,952,493.60

Finding the Fourth Proportional to 67,338,450.40, 100,755,441.60 and 47,952,493.60

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Solution

The fourth proportional to 67,338,450.40, 100,755,441.60 and 47,952,493.60 is: 71,749,121.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,338,450.40 : 100,755,441.60 = 47,952,493.60 : x
  2. Step 2: Convert to fraction form
    67,338,450.40/100,755,441.60 = 47,952,493.60/x
  3. Step 3: Cross multiply
    67,338,450.40x = 100,755,441.60 × 47,952,493.60
  4. Step 4: Simplify right side
    67,338,450.40x = 4,831,474,668,489,174
  5. Step 5: Solve for x
    x = 4,831,474,668,489,174/67,338,450.40
  6. Step 6: Final answer
    x = 71,749,121.64

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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.