Home / 140,200,786.80-193,487,558.76-80,680,327.92

Finding the Fourth Proportional to 140,200,786.80, 193,487,558.76 and 80,680,327.92

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Solution

The fourth proportional to 140,200,786.80, 193,487,558.76 and 80,680,327.92 is: 111,344,879.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,200,786.80 : 193,487,558.76 = 80,680,327.92 : x
  2. Step 2: Convert to fraction form
    140,200,786.80/193,487,558.76 = 80,680,327.92/x
  3. Step 3: Cross multiply
    140,200,786.80x = 193,487,558.76 × 80,680,327.92
  4. Step 4: Simplify right side
    140,200,786.80x = 15,610,639,689,197,068
  5. Step 5: Solve for x
    x = 15,610,639,689,197,068/140,200,786.80
  6. Step 6: Final answer
    x = 111,344,879.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.