Home / 146,774,234.60-220,161,351.90-78,749,786.60

Finding the Fourth Proportional to 146,774,234.60, 220,161,351.90 and 78,749,786.60

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Solution

The fourth proportional to 146,774,234.60, 220,161,351.90 and 78,749,786.60 is: 118,124,679.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,774,234.60 : 220,161,351.90 = 78,749,786.60 : x
  2. Step 2: Convert to fraction form
    146,774,234.60/220,161,351.90 = 78,749,786.60/x
  3. Step 3: Cross multiply
    146,774,234.60x = 220,161,351.90 × 78,749,786.60
  4. Step 4: Simplify right side
    146,774,234.60x = 17,337,659,479,692,504
  5. Step 5: Solve for x
    x = 17,337,659,479,692,504/146,774,234.60
  6. Step 6: Final answer
    x = 118,124,679.90

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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.