Home / 130,183,982.80-195,275,974.20-61,819,412.56

Finding the Fourth Proportional to 130,183,982.80, 195,275,974.20 and 61,819,412.56

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Solution

The fourth proportional to 130,183,982.80, 195,275,974.20 and 61,819,412.56 is: 92,729,118.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,183,982.80 : 195,275,974.20 = 61,819,412.56 : x
  2. Step 2: Convert to fraction form
    130,183,982.80/195,275,974.20 = 61,819,412.56/x
  3. Step 3: Cross multiply
    130,183,982.80x = 195,275,974.20 × 61,819,412.56
  4. Step 4: Simplify right side
    130,183,982.80x = 12,071,846,011,405,702
  5. Step 5: Solve for x
    x = 12,071,846,011,405,702/130,183,982.80
  6. Step 6: Final answer
    x = 92,729,118.84

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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.