Home / 82,367,477.16-113,666,806.65-45,198,379.44

Finding the Fourth Proportional to 82,367,477.16, 113,666,806.65 and 45,198,379.44

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Solution

The fourth proportional to 82,367,477.16, 113,666,806.65 and 45,198,379.44 is: 62,373,592.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,367,477.16 : 113,666,806.65 = 45,198,379.44 : x
  2. Step 2: Convert to fraction form
    82,367,477.16/113,666,806.65 = 45,198,379.44/x
  3. Step 3: Cross multiply
    82,367,477.16x = 113,666,806.65 × 45,198,379.44
  4. Step 4: Simplify right side
    82,367,477.16x = 5,137,555,456,699,815
  5. Step 5: Solve for x
    x = 5,137,555,456,699,815/82,367,477.16
  6. Step 6: Final answer
    x = 62,373,592.51

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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.