Home / 260,168,183.72-390,096,382.59-82,828,683.98

Finding the Fourth Proportional to 260,168,183.72, 390,096,382.59 and 82,828,683.98

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Solution

The fourth proportional to 260,168,183.72, 390,096,382.59 and 82,828,683.98 is: 124,193,394.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,168,183.72 : 390,096,382.59 = 82,828,683.98 : x
  2. Step 2: Convert to fraction form
    260,168,183.72/390,096,382.59 = 82,828,683.98/x
  3. Step 3: Cross multiply
    260,168,183.72x = 390,096,382.59 × 82,828,683.98
  4. Step 4: Simplify right side
    260,168,183.72x = 32,311,169,993,337,796
  5. Step 5: Solve for x
    x = 32,311,169,993,337,796/260,168,183.72
  6. Step 6: Final answer
    x = 124,193,394.95

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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.