Home / 80,455,881.96-111,040,816.68-45,177,647.40

Finding the Fourth Proportional to 80,455,881.96, 111,040,816.68 and 45,177,647.40

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Solution

The fourth proportional to 80,455,881.96, 111,040,816.68 and 45,177,647.40 is: 62,351,722.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,455,881.96 : 111,040,816.68 = 45,177,647.40 : x
  2. Step 2: Convert to fraction form
    80,455,881.96/111,040,816.68 = 45,177,647.40/x
  3. Step 3: Cross multiply
    80,455,881.96x = 111,040,816.68 × 45,177,647.40
  4. Step 4: Simplify right side
    80,455,881.96x = 5,016,562,862,977,079
  5. Step 5: Solve for x
    x = 5,016,562,862,977,079/80,455,881.96
  6. Step 6: Final answer
    x = 62,351,722.97

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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.