Home / 213,132,380.60-319,698,570.90-131,343,610.70

Finding the Fourth Proportional to 213,132,380.60, 319,698,570.90 and 131,343,610.70

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Solution

The fourth proportional to 213,132,380.60, 319,698,570.90 and 131,343,610.70 is: 197,015,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,132,380.60 : 319,698,570.90 = 131,343,610.70 : x
  2. Step 2: Convert to fraction form
    213,132,380.60/319,698,570.90 = 131,343,610.70/x
  3. Step 3: Cross multiply
    213,132,380.60x = 319,698,570.90 × 131,343,610.70
  4. Step 4: Simplify right side
    213,132,380.60x = 41,990,364,637,635,944
  5. Step 5: Solve for x
    x = 41,990,364,637,635,944/213,132,380.60
  6. Step 6: Final answer
    x = 197,015,416.05

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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.