Home / 73,163,514.92-109,734,589.89-21,334,190.11

Finding the Fourth Proportional to 73,163,514.92, 109,734,589.89 and 21,334,190.11

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Solution

The fourth proportional to 73,163,514.92, 109,734,589.89 and 21,334,190.11 is: 31,998,170.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,163,514.92 : 109,734,589.89 = 21,334,190.11 : x
  2. Step 2: Convert to fraction form
    73,163,514.92/109,734,589.89 = 21,334,190.11/x
  3. Step 3: Cross multiply
    73,163,514.92x = 109,734,589.89 × 21,334,190.11
  4. Step 4: Simplify right side
    73,163,514.92x = 2,341,098,602,081,807.50
  5. Step 5: Solve for x
    x = 2,341,098,602,081,807.50/73,163,514.92
  6. Step 6: Final answer
    x = 31,998,170.19

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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.