Home / 108,980,664.45-163,378,409.50-50,722,173.68

Finding the Fourth Proportional to 108,980,664.45, 163,378,409.50 and 50,722,173.68

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Solution

The fourth proportional to 108,980,664.45, 163,378,409.50 and 50,722,173.68 is: 76,040,168.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,980,664.45 : 163,378,409.50 = 50,722,173.68 : x
  2. Step 2: Convert to fraction form
    108,980,664.45/163,378,409.50 = 50,722,173.68/x
  3. Step 3: Cross multiply
    108,980,664.45x = 163,378,409.50 × 50,722,173.68
  4. Step 4: Simplify right side
    108,980,664.45x = 8,286,908,061,467,672
  5. Step 5: Solve for x
    x = 8,286,908,061,467,672/108,980,664.45
  6. Step 6: Final answer
    x = 76,040,168.26

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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.