Home / 227,205,205.40-340,807,808.10-199,145,120.60

Finding the Fourth Proportional to 227,205,205.40, 340,807,808.10 and 199,145,120.60

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Solution

The fourth proportional to 227,205,205.40, 340,807,808.10 and 199,145,120.60 is: 298,717,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,205,205.40 : 340,807,808.10 = 199,145,120.60 : x
  2. Step 2: Convert to fraction form
    227,205,205.40/340,807,808.10 = 199,145,120.60/x
  3. Step 3: Cross multiply
    227,205,205.40x = 340,807,808.10 × 199,145,120.60
  4. Step 4: Simplify right side
    227,205,205.40x = 67,870,212,045,496,160
  5. Step 5: Solve for x
    x = 67,870,212,045,496,160/227,205,205.40
  6. Step 6: Final answer
    x = 298,717,680.90

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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.