Home / 120,293,020.11-165,975,914.99-68,082,054.24

Finding the Fourth Proportional to 120,293,020.11, 165,975,914.99 and 68,082,054.24

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Solution

The fourth proportional to 120,293,020.11, 165,975,914.99 and 68,082,054.24 is: 93,937,131.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,293,020.11 : 165,975,914.99 = 68,082,054.24 : x
  2. Step 2: Convert to fraction form
    120,293,020.11/165,975,914.99 = 68,082,054.24/x
  3. Step 3: Cross multiply
    120,293,020.11x = 165,975,914.99 × 68,082,054.24
  4. Step 4: Simplify right side
    120,293,020.11x = 11,299,981,245,712,520
  5. Step 5: Solve for x
    x = 11,299,981,245,712,520/120,293,020.11
  6. Step 6: Final answer
    x = 93,937,131.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.