Home / 78,796,201.38-108,737,622.83-43,515,499.31

Finding the Fourth Proportional to 78,796,201.38, 108,737,622.83 and 43,515,499.31

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Solution

The fourth proportional to 78,796,201.38, 108,737,622.83 and 43,515,499.31 is: 60,050,762.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,796,201.38 : 108,737,622.83 = 43,515,499.31 : x
  2. Step 2: Convert to fraction form
    78,796,201.38/108,737,622.83 = 43,515,499.31/x
  3. Step 3: Cross multiply
    78,796,201.38x = 108,737,622.83 × 43,515,499.31
  4. Step 4: Simplify right side
    78,796,201.38x = 4,731,771,950,468,640
  5. Step 5: Solve for x
    x = 4,731,771,950,468,640/78,796,201.38
  6. Step 6: Final answer
    x = 60,050,762.19

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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.