Home / 146,774,494.60-220,161,741.90-78,750,046.60

Finding the Fourth Proportional to 146,774,494.60, 220,161,741.90 and 78,750,046.60

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Solution

The fourth proportional to 146,774,494.60, 220,161,741.90 and 78,750,046.60 is: 118,125,069.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,774,494.60 : 220,161,741.90 = 78,750,046.60 : x
  2. Step 2: Convert to fraction form
    146,774,494.60/220,161,741.90 = 78,750,046.60/x
  3. Step 3: Cross multiply
    146,774,494.60x = 220,161,741.90 × 78,750,046.60
  4. Step 4: Simplify right side
    146,774,494.60x = 17,337,747,434,162,172
  5. Step 5: Solve for x
    x = 17,337,747,434,162,172/146,774,494.60
  6. Step 6: Final answer
    x = 118,125,069.90

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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.