Home / 70,227,286.87-105,330,287.27-19,113,288.79

Finding the Fourth Proportional to 70,227,286.87, 105,330,287.27 and 19,113,288.79

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Solution

The fourth proportional to 70,227,286.87, 105,330,287.27 and 19,113,288.79 is: 28,667,036.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,227,286.87 : 105,330,287.27 = 19,113,288.79 : x
  2. Step 2: Convert to fraction form
    70,227,286.87/105,330,287.27 = 19,113,288.79/x
  3. Step 3: Cross multiply
    70,227,286.87x = 105,330,287.27 × 19,113,288.79
  4. Step 4: Simplify right side
    70,227,286.87x = 2,013,208,198,829,604.25
  5. Step 5: Solve for x
    x = 2,013,208,198,829,604.25/70,227,286.87
  6. Step 6: Final answer
    x = 28,667,036.54

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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.