Home / 146,795,377.20-220,361,027.40-86,245,220.40

Finding the Fourth Proportional to 146,795,377.20, 220,361,027.40 and 86,245,220.40

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Solution

The fourth proportional to 146,795,377.20, 220,361,027.40 and 86,245,220.40 is: 129,466,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,795,377.20 : 220,361,027.40 = 86,245,220.40 : x
  2. Step 2: Convert to fraction form
    146,795,377.20/220,361,027.40 = 86,245,220.40/x
  3. Step 3: Cross multiply
    146,795,377.20x = 220,361,027.40 × 86,245,220.40
  4. Step 4: Simplify right side
    146,795,377.20x = 19,005,085,375,683,440
  5. Step 5: Solve for x
    x = 19,005,085,375,683,440/146,795,377.20
  6. Step 6: Final answer
    x = 129,466,511.40

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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.