Home / 264,214,680.80-396,322,021.20-91,634,136.80

Finding the Fourth Proportional to 264,214,680.80, 396,322,021.20 and 91,634,136.80

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Solution

The fourth proportional to 264,214,680.80, 396,322,021.20 and 91,634,136.80 is: 137,451,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,214,680.80 : 396,322,021.20 = 91,634,136.80 : x
  2. Step 2: Convert to fraction form
    264,214,680.80/396,322,021.20 = 91,634,136.80/x
  3. Step 3: Cross multiply
    264,214,680.80x = 396,322,021.20 × 91,634,136.80
  4. Step 4: Simplify right side
    264,214,680.80x = 36,316,626,307,493,296
  5. Step 5: Solve for x
    x = 36,316,626,307,493,296/264,214,680.80
  6. Step 6: Final answer
    x = 137,451,205.20

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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.