Home / 221,489,778.10-332,234,667.15-130,790,514.10

Finding the Fourth Proportional to 221,489,778.10, 332,234,667.15 and 130,790,514.10

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Solution

The fourth proportional to 221,489,778.10, 332,234,667.15 and 130,790,514.10 is: 196,185,771.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,489,778.10 : 332,234,667.15 = 130,790,514.10 : x
  2. Step 2: Convert to fraction form
    221,489,778.10/332,234,667.15 = 130,790,514.10/x
  3. Step 3: Cross multiply
    221,489,778.10x = 332,234,667.15 × 130,790,514.10
  4. Step 4: Simplify right side
    221,489,778.10x = 43,453,142,918,390,880
  5. Step 5: Solve for x
    x = 43,453,142,918,390,880/221,489,778.10
  6. Step 6: Final answer
    x = 196,185,771.15

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1.5x scale

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.