Home / 141,764,611.80-212,394,975.30-121,609,219.80

Finding the Fourth Proportional to 141,764,611.80, 212,394,975.30 and 121,609,219.80

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Solution

The fourth proportional to 141,764,611.80, 212,394,975.30 and 121,609,219.80 is: 182,197,707.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,764,611.80 : 212,394,975.30 = 121,609,219.80 : x
  2. Step 2: Convert to fraction form
    141,764,611.80/212,394,975.30 = 121,609,219.80/x
  3. Step 3: Cross multiply
    141,764,611.80x = 212,394,975.30 × 121,609,219.80
  4. Step 4: Simplify right side
    141,764,611.80x = 25,829,187,235,673,272
  5. Step 5: Solve for x
    x = 25,829,187,235,673,272/141,764,611.80
  6. Step 6: Final answer
    x = 182,197,707.23

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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.