Home / 82,367,503.45-113,666,842.83-45,198,405.60

Finding the Fourth Proportional to 82,367,503.45, 113,666,842.83 and 45,198,405.60

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Solution

The fourth proportional to 82,367,503.45, 113,666,842.83 and 45,198,405.60 is: 62,373,628.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,367,503.45 : 113,666,842.83 = 45,198,405.60 : x
  2. Step 2: Convert to fraction form
    82,367,503.45/113,666,842.83 = 45,198,405.60/x
  3. Step 3: Cross multiply
    82,367,503.45x = 113,666,842.83 × 45,198,405.60
  4. Step 4: Simplify right side
    82,367,503.45x = 5,137,560,065,501,792
  5. Step 5: Solve for x
    x = 5,137,560,065,501,792/82,367,503.45
  6. Step 6: Final answer
    x = 62,373,628.56

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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.