Home / 199,314,331.20-298,971,496.80-144,894,772.80

Finding the Fourth Proportional to 199,314,331.20, 298,971,496.80 and 144,894,772.80

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Solution

The fourth proportional to 199,314,331.20, 298,971,496.80 and 144,894,772.80 is: 217,342,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,314,331.20 : 298,971,496.80 = 144,894,772.80 : x
  2. Step 2: Convert to fraction form
    199,314,331.20/298,971,496.80 = 144,894,772.80/x
  3. Step 3: Cross multiply
    199,314,331.20x = 298,971,496.80 × 144,894,772.80
  4. Step 4: Simplify right side
    199,314,331.20x = 43,319,407,102,511,936
  5. Step 5: Solve for x
    x = 43,319,407,102,511,936/199,314,331.20
  6. Step 6: Final answer
    x = 217,342,159.20

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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.