Home / 170,031,805.20-255,079,200.60-55,020,099.60

Finding the Fourth Proportional to 170,031,805.20, 255,079,200.60 and 55,020,099.60

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Solution

The fourth proportional to 170,031,805.20, 255,079,200.60 and 55,020,099.60 is: 82,540,340.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,031,805.20 : 255,079,200.60 = 55,020,099.60 : x
  2. Step 2: Convert to fraction form
    170,031,805.20/255,079,200.60 = 55,020,099.60/x
  3. Step 3: Cross multiply
    170,031,805.20x = 255,079,200.60 × 55,020,099.60
  4. Step 4: Simplify right side
    170,031,805.20x = 14,034,483,022,900,380
  5. Step 5: Solve for x
    x = 14,034,483,022,900,380/170,031,805.20
  6. Step 6: Final answer
    x = 82,540,340.06

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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.