Home / 82,257,879.60-113,515,884.60-45,590,817.84

Finding the Fourth Proportional to 82,257,879.60, 113,515,884.60 and 45,590,817.84

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Solution

The fourth proportional to 82,257,879.60, 113,515,884.60 and 45,590,817.84 is: 62,915,334.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,257,879.60 : 113,515,884.60 = 45,590,817.84 : x
  2. Step 2: Convert to fraction form
    82,257,879.60/113,515,884.60 = 45,590,817.84/x
  3. Step 3: Cross multiply
    82,257,879.60x = 113,515,884.60 × 45,590,817.84
  4. Step 4: Simplify right side
    82,257,879.60x = 5,175,282,016,745,061
  5. Step 5: Solve for x
    x = 5,175,282,016,745,061/82,257,879.60
  6. Step 6: Final answer
    x = 62,915,334.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.