Home / 170,684,390.70-255,648,672.45-140,451,302.70

Finding the Fourth Proportional to 170,684,390.70, 255,648,672.45 and 140,451,302.70

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Solution

The fourth proportional to 170,684,390.70, 255,648,672.45 and 140,451,302.70 is: 210,365,979.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,684,390.70 : 255,648,672.45 = 140,451,302.70 : x
  2. Step 2: Convert to fraction form
    170,684,390.70/255,648,672.45 = 140,451,302.70/x
  3. Step 3: Cross multiply
    170,684,390.70x = 255,648,672.45 × 140,451,302.70
  4. Step 4: Simplify right side
    170,684,390.70x = 35,906,189,079,128,096
  5. Step 5: Solve for x
    x = 35,906,189,079,128,096/170,684,390.70
  6. Step 6: Final answer
    x = 210,365,979.76

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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.