Home / 199,634,031.60-298,947,162.60-131,105,698.80

Finding the Fourth Proportional to 199,634,031.60, 298,947,162.60 and 131,105,698.80

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Solution

The fourth proportional to 199,634,031.60, 298,947,162.60 and 131,105,698.80 is: 196,327,631.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,634,031.60 : 298,947,162.60 = 131,105,698.80 : x
  2. Step 2: Convert to fraction form
    199,634,031.60/298,947,162.60 = 131,105,698.80/x
  3. Step 3: Cross multiply
    199,634,031.60x = 298,947,162.60 × 131,105,698.80
  4. Step 4: Simplify right side
    199,634,031.60x = 39,193,676,656,950,224
  5. Step 5: Solve for x
    x = 39,193,676,656,950,224/199,634,031.60
  6. Step 6: Final answer
    x = 196,327,631.83

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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.