Home / 227,205,208.40-340,807,812.60-199,145,123.60

Finding the Fourth Proportional to 227,205,208.40, 340,807,812.60 and 199,145,123.60

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Solution

The fourth proportional to 227,205,208.40, 340,807,812.60 and 199,145,123.60 is: 298,717,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,205,208.40 : 340,807,812.60 = 199,145,123.60 : x
  2. Step 2: Convert to fraction form
    227,205,208.40/340,807,812.60 = 199,145,123.60/x
  3. Step 3: Cross multiply
    227,205,208.40x = 340,807,812.60 × 199,145,123.60
  4. Step 4: Simplify right side
    227,205,208.40x = 67,870,213,964,072,640
  5. Step 5: Solve for x
    x = 67,870,213,964,072,640/227,205,208.40
  6. Step 6: Final answer
    x = 298,717,685.40

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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.