Home / 141,764,609.80-212,394,972.30-121,609,217.80

Finding the Fourth Proportional to 141,764,609.80, 212,394,972.30 and 121,609,217.80

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Solution

The fourth proportional to 141,764,609.80, 212,394,972.30 and 121,609,217.80 is: 182,197,704.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,764,609.80 : 212,394,972.30 = 121,609,217.80 : x
  2. Step 2: Convert to fraction form
    141,764,609.80/212,394,972.30 = 121,609,217.80/x
  3. Step 3: Cross multiply
    141,764,609.80x = 212,394,972.30 × 121,609,217.80
  4. Step 4: Simplify right side
    141,764,609.80x = 25,829,186,446,055,668
  5. Step 5: Solve for x
    x = 25,829,186,446,055,668/141,764,609.80
  6. Step 6: Final answer
    x = 182,197,704.23

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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.