Home / 70,815,691.92-106,218,660.84-43,526,196.60

Finding the Fourth Proportional to 70,815,691.92, 106,218,660.84 and 43,526,196.60

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Solution

The fourth proportional to 70,815,691.92, 106,218,660.84 and 43,526,196.60 is: 65,286,297.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,815,691.92 : 106,218,660.84 = 43,526,196.60 : x
  2. Step 2: Convert to fraction form
    70,815,691.92/106,218,660.84 = 43,526,196.60/x
  3. Step 3: Cross multiply
    70,815,691.92x = 106,218,660.84 × 43,526,196.60
  4. Step 4: Simplify right side
    70,815,691.92x = 4,623,294,314,310,561
  5. Step 5: Solve for x
    x = 4,623,294,314,310,561/70,815,691.92
  6. Step 6: Final answer
    x = 65,286,297.27

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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.