Home / 219,199,538.80-302,424,189.42-149,463,850.60

Finding the Fourth Proportional to 219,199,538.80, 302,424,189.42 and 149,463,850.60

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Solution

The fourth proportional to 219,199,538.80, 302,424,189.42 and 149,463,850.60 is: 206,211,582.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,199,538.80 : 302,424,189.42 = 149,463,850.60 : x
  2. Step 2: Convert to fraction form
    219,199,538.80/302,424,189.42 = 149,463,850.60/x
  3. Step 3: Cross multiply
    219,199,538.80x = 302,424,189.42 × 149,463,850.60
  4. Step 4: Simplify right side
    219,199,538.80x = 45,201,483,865,296,984
  5. Step 5: Solve for x
    x = 45,201,483,865,296,984/219,199,538.80
  6. Step 6: Final answer
    x = 206,211,582.89

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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.