Home / 199,635,934.80-299,453,902.20-122,037,675.60

Finding the Fourth Proportional to 199,635,934.80, 299,453,902.20 and 122,037,675.60

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Solution

The fourth proportional to 199,635,934.80, 299,453,902.20 and 122,037,675.60 is: 183,056,513.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,635,934.80 : 299,453,902.20 = 122,037,675.60 : x
  2. Step 2: Convert to fraction form
    199,635,934.80/299,453,902.20 = 122,037,675.60/x
  3. Step 3: Cross multiply
    199,635,934.80x = 299,453,902.20 × 122,037,675.60
  4. Step 4: Simplify right side
    199,635,934.80x = 36,544,658,173,837,720
  5. Step 5: Solve for x
    x = 36,544,658,173,837,720/199,635,934.80
  6. Step 6: Final answer
    x = 183,056,513.40

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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.