Home / 203,938,900.70-305,968,044.83-65,761,728.84

Finding the Fourth Proportional to 203,938,900.70, 305,968,044.83 and 65,761,728.84

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Solution

The fourth proportional to 203,938,900.70, 305,968,044.83 and 65,761,728.84 is: 98,661,842.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,938,900.70 : 305,968,044.83 = 65,761,728.84 : x
  2. Step 2: Convert to fraction form
    203,938,900.70/305,968,044.83 = 65,761,728.84/x
  3. Step 3: Cross multiply
    203,938,900.70x = 305,968,044.83 × 65,761,728.84
  4. Step 4: Simplify right side
    203,938,900.70x = 20,120,987,597,486,616
  5. Step 5: Solve for x
    x = 20,120,987,597,486,616/203,938,900.70
  6. Step 6: Final answer
    x = 98,661,842.00

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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.