Home / 143,049,561.74-197,394,902.42-80,313,406.86

Finding the Fourth Proportional to 143,049,561.74, 197,394,902.42 and 80,313,406.86

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Solution

The fourth proportional to 143,049,561.74, 197,394,902.42 and 80,313,406.86 is: 110,824,926.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,049,561.74 : 197,394,902.42 = 80,313,406.86 : x
  2. Step 2: Convert to fraction form
    143,049,561.74/197,394,902.42 = 80,313,406.86/x
  3. Step 3: Cross multiply
    143,049,561.74x = 197,394,902.42 × 80,313,406.86
  4. Step 4: Simplify right side
    143,049,561.74x = 15,853,457,110,147,458
  5. Step 5: Solve for x
    x = 15,853,457,110,147,458/143,049,561.74
  6. Step 6: Final answer
    x = 110,824,926.11

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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.