Home / 123,164,183.54-169,959,657.91-67,409,490.34

Finding the Fourth Proportional to 123,164,183.54, 169,959,657.91 and 67,409,490.34

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Solution

The fourth proportional to 123,164,183.54, 169,959,657.91 and 67,409,490.34 is: 93,021,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,164,183.54 : 169,959,657.91 = 67,409,490.34 : x
  2. Step 2: Convert to fraction form
    123,164,183.54/169,959,657.91 = 67,409,490.34/x
  3. Step 3: Cross multiply
    123,164,183.54x = 169,959,657.91 × 67,409,490.34
  4. Step 4: Simplify right side
    123,164,183.54x = 11,456,893,918,073,850
  5. Step 5: Solve for x
    x = 11,456,893,918,073,850/123,164,183.54
  6. Step 6: Final answer
    x = 93,021,311.79

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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.