Home / 212,675,004.20-319,012,506.30-136,084,514.60

Finding the Fourth Proportional to 212,675,004.20, 319,012,506.30 and 136,084,514.60

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Solution

The fourth proportional to 212,675,004.20, 319,012,506.30 and 136,084,514.60 is: 204,126,771.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,675,004.20 : 319,012,506.30 = 136,084,514.60 : x
  2. Step 2: Convert to fraction form
    212,675,004.20/319,012,506.30 = 136,084,514.60/x
  3. Step 3: Cross multiply
    212,675,004.20x = 319,012,506.30 × 136,084,514.60
  4. Step 4: Simplify right side
    212,675,004.20x = 43,412,662,071,164,944
  5. Step 5: Solve for x
    x = 43,412,662,071,164,944/212,675,004.20
  6. Step 6: Final answer
    x = 204,126,771.90

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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.