Home / 313,131,788.80-432,096,668.24-180,981,344.68

Finding the Fourth Proportional to 313,131,788.80, 432,096,668.24 and 180,981,344.68

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Solution

The fourth proportional to 313,131,788.80, 432,096,668.24 and 180,981,344.68 is: 249,739,690.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,131,788.80 : 432,096,668.24 = 180,981,344.68 : x
  2. Step 2: Convert to fraction form
    313,131,788.80/432,096,668.24 = 180,981,344.68/x
  3. Step 3: Cross multiply
    313,131,788.80x = 432,096,668.24 × 180,981,344.68
  4. Step 4: Simplify right side
    313,131,788.80x = 78,201,436,047,837,904
  5. Step 5: Solve for x
    x = 78,201,436,047,837,904/313,131,788.80
  6. Step 6: Final answer
    x = 249,739,690.59

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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.