Home / 80,443,458.72-111,014,481.96-45,637,616.16

Finding the Fourth Proportional to 80,443,458.72, 111,014,481.96 and 45,637,616.16

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Solution

The fourth proportional to 80,443,458.72, 111,014,481.96 and 45,637,616.16 is: 62,981,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,443,458.72 : 111,014,481.96 = 45,637,616.16 : x
  2. Step 2: Convert to fraction form
    80,443,458.72/111,014,481.96 = 45,637,616.16/x
  3. Step 3: Cross multiply
    80,443,458.72x = 111,014,481.96 × 45,637,616.16
  4. Step 4: Simplify right side
    80,443,458.72x = 5,066,436,315,891,724
  5. Step 5: Solve for x
    x = 5,066,436,315,891,724/80,443,458.72
  6. Step 6: Final answer
    x = 62,981,333.68

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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.