Home / 146,907,679.60-220,361,519.40-78,883,231.60

Finding the Fourth Proportional to 146,907,679.60, 220,361,519.40 and 78,883,231.60

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Solution

The fourth proportional to 146,907,679.60, 220,361,519.40 and 78,883,231.60 is: 118,324,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,907,679.60 : 220,361,519.40 = 78,883,231.60 : x
  2. Step 2: Convert to fraction form
    146,907,679.60/220,361,519.40 = 78,883,231.60/x
  3. Step 3: Cross multiply
    146,907,679.60x = 220,361,519.40 × 78,883,231.60
  4. Step 4: Simplify right side
    146,907,679.60x = 17,382,828,770,558,092
  5. Step 5: Solve for x
    x = 17,382,828,770,558,092/146,907,679.60
  6. Step 6: Final answer
    x = 118,324,847.40

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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.