Home / 131,782,083.24-181,858,961.07-72,243,273.60

Finding the Fourth Proportional to 131,782,083.24, 181,858,961.07 and 72,243,273.60

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Solution

The fourth proportional to 131,782,083.24, 181,858,961.07 and 72,243,273.60 is: 99,695,545.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,782,083.24 : 181,858,961.07 = 72,243,273.60 : x
  2. Step 2: Convert to fraction form
    131,782,083.24/181,858,961.07 = 72,243,273.60/x
  3. Step 3: Cross multiply
    131,782,083.24x = 181,858,961.07 × 72,243,273.60
  4. Step 4: Simplify right side
    131,782,083.24x = 13,138,086,681,285,190
  5. Step 5: Solve for x
    x = 13,138,086,681,285,190/131,782,083.24
  6. Step 6: Final answer
    x = 99,695,545.55

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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.