Home / 412,159,183.81-618,235,626.39-105,450,804.61

Finding the Fourth Proportional to 412,159,183.81, 618,235,626.39 and 105,450,804.61

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Solution

The fourth proportional to 412,159,183.81, 618,235,626.39 and 105,450,804.61 is: 158,175,401.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,159,183.81 : 618,235,626.39 = 105,450,804.61 : x
  2. Step 2: Convert to fraction form
    412,159,183.81/618,235,626.39 = 105,450,804.61/x
  3. Step 3: Cross multiply
    412,159,183.81x = 618,235,626.39 × 105,450,804.61
  4. Step 4: Simplify right side
    412,159,183.81x = 65,193,444,241,392,848
  5. Step 5: Solve for x
    x = 65,193,444,241,392,848/412,159,183.81
  6. Step 6: Final answer
    x = 158,175,401.16

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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.