Home / 55,385,571.53-83,081,900.25-21,306,917.41

Finding the Fourth Proportional to 55,385,571.53, 83,081,900.25 and 21,306,917.41

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Solution

The fourth proportional to 55,385,571.53, 83,081,900.25 and 21,306,917.41 is: 31,961,739.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,385,571.53 : 83,081,900.25 = 21,306,917.41 : x
  2. Step 2: Convert to fraction form
    55,385,571.53/83,081,900.25 = 21,306,917.41/x
  3. Step 3: Cross multiply
    55,385,571.53x = 83,081,900.25 × 21,306,917.41
  4. Step 4: Simplify right side
    55,385,571.53x = 1,770,219,186,684,903.50
  5. Step 5: Solve for x
    x = 1,770,219,186,684,903.50/55,385,571.53
  6. Step 6: Final answer
    x = 31,961,739.09

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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.