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Finding the Fourth Proportional to 43,608,049.60, 65,270,356.80 and 43,608,049.60

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Solution

The fourth proportional to 43,608,049.60, 65,270,356.80 and 43,608,049.60 is: 65,270,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,608,049.60 : 65,270,356.80 = 43,608,049.60 : x
  2. Step 2: Convert to fraction form
    43,608,049.60/65,270,356.80 = 43,608,049.60/x
  3. Step 3: Cross multiply
    43,608,049.60x = 65,270,356.80 × 43,608,049.60
  4. Step 4: Simplify right side
    43,608,049.60x = 2,846,312,956,744,097
  5. Step 5: Solve for x
    x = 2,846,312,956,744,097/43,608,049.60
  6. Step 6: Final answer
    x = 65,270,356.80

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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.