Home / 205,606,015.56-308,378,686.92-60,000,481.80

Finding the Fourth Proportional to 205,606,015.56, 308,378,686.92 and 60,000,481.80

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Solution

The fourth proportional to 205,606,015.56, 308,378,686.92 and 60,000,481.80 is: 89,991,869.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,606,015.56 : 308,378,686.92 = 60,000,481.80 : x
  2. Step 2: Convert to fraction form
    205,606,015.56/308,378,686.92 = 60,000,481.80/x
  3. Step 3: Cross multiply
    205,606,015.56x = 308,378,686.92 × 60,000,481.80
  4. Step 4: Simplify right side
    205,606,015.56x = 18,502,869,792,051,360
  5. Step 5: Solve for x
    x = 18,502,869,792,051,360/205,606,015.56
  6. Step 6: Final answer
    x = 89,991,869.85

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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.