Home / 122,481,571.15-183,722,356.73-81,666,902.35

Finding the Fourth Proportional to 122,481,571.15, 183,722,356.73 and 81,666,902.35

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Solution

The fourth proportional to 122,481,571.15, 183,722,356.73 and 81,666,902.35 is: 122,500,353.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,481,571.15 : 183,722,356.73 = 81,666,902.35 : x
  2. Step 2: Convert to fraction form
    122,481,571.15/183,722,356.73 = 81,666,902.35/x
  3. Step 3: Cross multiply
    122,481,571.15x = 183,722,356.73 × 81,666,902.35
  4. Step 4: Simplify right side
    122,481,571.15x = 15,004,035,766,580,774
  5. Step 5: Solve for x
    x = 15,004,035,766,580,774/122,481,571.15
  6. Step 6: Final answer
    x = 122,500,353.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.