Home / 73,047,786.89-109,545,835.11-21,221,607.26

Finding the Fourth Proportional to 73,047,786.89, 109,545,835.11 and 21,221,607.26

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Solution

The fourth proportional to 73,047,786.89, 109,545,835.11 and 21,221,607.26 is: 31,824,902.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,047,786.89 : 109,545,835.11 = 21,221,607.26 : x
  2. Step 2: Convert to fraction form
    73,047,786.89/109,545,835.11 = 21,221,607.26/x
  3. Step 3: Cross multiply
    73,047,786.89x = 109,545,835.11 × 21,221,607.26
  4. Step 4: Simplify right side
    73,047,786.89x = 2,324,738,689,673,139
  5. Step 5: Solve for x
    x = 2,324,738,689,673,139/73,047,786.89
  6. Step 6: Final answer
    x = 31,824,902.42

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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.