Home / 142,560,818.42-213,479,513.87-119,471,035.55

Finding the Fourth Proportional to 142,560,818.42, 213,479,513.87 and 119,471,035.55

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Solution

The fourth proportional to 142,560,818.42, 213,479,513.87 and 119,471,035.55 is: 178,903,424.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,560,818.42 : 213,479,513.87 = 119,471,035.55 : x
  2. Step 2: Convert to fraction form
    142,560,818.42/213,479,513.87 = 119,471,035.55/x
  3. Step 3: Cross multiply
    142,560,818.42x = 213,479,513.87 × 119,471,035.55
  4. Step 4: Simplify right side
    142,560,818.42x = 25,504,618,589,094,736
  5. Step 5: Solve for x
    x = 25,504,618,589,094,736/142,560,818.42
  6. Step 6: Final answer
    x = 178,903,424.33

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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.