Home / 118,850,238.24-164,015,006.85-71,800,771.38

Finding the Fourth Proportional to 118,850,238.24, 164,015,006.85 and 71,800,771.38

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Solution

The fourth proportional to 118,850,238.24, 164,015,006.85 and 71,800,771.38 is: 99,086,078.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,850,238.24 : 164,015,006.85 = 71,800,771.38 : x
  2. Step 2: Convert to fraction form
    118,850,238.24/164,015,006.85 = 71,800,771.38/x
  3. Step 3: Cross multiply
    118,850,238.24x = 164,015,006.85 × 71,800,771.38
  4. Step 4: Simplify right side
    118,850,238.24x = 11,776,404,009,725,982
  5. Step 5: Solve for x
    x = 11,776,404,009,725,982/118,850,238.24
  6. Step 6: Final answer
    x = 99,086,078.28

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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.