Home / 146,795,375.20-220,361,024.40-86,245,218.40

Finding the Fourth Proportional to 146,795,375.20, 220,361,024.40 and 86,245,218.40

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Solution

The fourth proportional to 146,795,375.20, 220,361,024.40 and 86,245,218.40 is: 129,466,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,795,375.20 : 220,361,024.40 = 86,245,218.40 : x
  2. Step 2: Convert to fraction form
    146,795,375.20/220,361,024.40 = 86,245,218.40/x
  3. Step 3: Cross multiply
    146,795,375.20x = 220,361,024.40 × 86,245,218.40
  4. Step 4: Simplify right side
    146,795,375.20x = 19,005,084,676,225,732
  5. Step 5: Solve for x
    x = 19,005,084,676,225,732/146,795,375.20
  6. Step 6: Final answer
    x = 129,466,508.40

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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.