Home / 202,136,942.30-303,204,429.30-79,228,417.10

Finding the Fourth Proportional to 202,136,942.30, 303,204,429.30 and 79,228,417.10

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Solution

The fourth proportional to 202,136,942.30, 303,204,429.30 and 79,228,417.10 is: 118,842,239.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,136,942.30 : 303,204,429.30 = 79,228,417.10 : x
  2. Step 2: Convert to fraction form
    202,136,942.30/303,204,429.30 = 79,228,417.10/x
  3. Step 3: Cross multiply
    202,136,942.30x = 303,204,429.30 × 79,228,417.10
  4. Step 4: Simplify right side
    202,136,942.30x = 24,022,406,991,147,860
  5. Step 5: Solve for x
    x = 24,022,406,991,147,860/202,136,942.30
  6. Step 6: Final answer
    x = 118,842,239.91

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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.