Home / 163,933,376.80-246,183,500.40-87,405,872.80

Finding the Fourth Proportional to 163,933,376.80, 246,183,500.40 and 87,405,872.80

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Solution

The fourth proportional to 163,933,376.80, 246,183,500.40 and 87,405,872.80 is: 131,259,930.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,933,376.80 : 246,183,500.40 = 87,405,872.80 : x
  2. Step 2: Convert to fraction form
    163,933,376.80/246,183,500.40 = 87,405,872.80/x
  3. Step 3: Cross multiply
    163,933,376.80x = 246,183,500.40 × 87,405,872.80
  4. Step 4: Simplify right side
    163,933,376.80x = 21,517,883,721,421,148
  5. Step 5: Solve for x
    x = 21,517,883,721,421,148/163,933,376.80
  6. Step 6: Final answer
    x = 131,259,930.96

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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.