Home / 78,782,092.94-108,737,428.12-46,197,542.54

Finding the Fourth Proportional to 78,782,092.94, 108,737,428.12 and 46,197,542.54

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Solution

The fourth proportional to 78,782,092.94, 108,737,428.12 and 46,197,542.54 is: 63,763,245.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,782,092.94 : 108,737,428.12 = 46,197,542.54 : x
  2. Step 2: Convert to fraction form
    78,782,092.94/108,737,428.12 = 46,197,542.54/x
  3. Step 3: Cross multiply
    78,782,092.94x = 108,737,428.12 × 46,197,542.54
  4. Step 4: Simplify right side
    78,782,092.94x = 5,023,401,961,263,892
  5. Step 5: Solve for x
    x = 5,023,401,961,263,892/78,782,092.94
  6. Step 6: Final answer
    x = 63,763,245.86

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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.