Home / 262,463,999.10-393,695,998.65-109,408,991.10

Finding the Fourth Proportional to 262,463,999.10, 393,695,998.65 and 109,408,991.10

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Solution

The fourth proportional to 262,463,999.10, 393,695,998.65 and 109,408,991.10 is: 164,113,486.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,463,999.10 : 393,695,998.65 = 109,408,991.10 : x
  2. Step 2: Convert to fraction form
    262,463,999.10/393,695,998.65 = 109,408,991.10/x
  3. Step 3: Cross multiply
    262,463,999.10x = 393,695,998.65 × 109,408,991.10
  4. Step 4: Simplify right side
    262,463,999.10x = 43,073,882,012,403,456
  5. Step 5: Solve for x
    x = 43,073,882,012,403,456/262,463,999.10
  6. Step 6: Final answer
    x = 164,113,486.65

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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.