Home / 363,695,205.20-545,542,807.80-159,621,861.20

Finding the Fourth Proportional to 363,695,205.20, 545,542,807.80 and 159,621,861.20

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Solution

The fourth proportional to 363,695,205.20, 545,542,807.80 and 159,621,861.20 is: 239,432,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,695,205.20 : 545,542,807.80 = 159,621,861.20 : x
  2. Step 2: Convert to fraction form
    363,695,205.20/545,542,807.80 = 159,621,861.20/x
  3. Step 3: Cross multiply
    363,695,205.20x = 545,542,807.80 × 159,621,861.20
  4. Step 4: Simplify right side
    363,695,205.20x = 87,080,558,345,309,856
  5. Step 5: Solve for x
    x = 87,080,558,345,309,856/363,695,205.20
  6. Step 6: Final answer
    x = 239,432,791.80

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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.