Home / 227,328,017.20-340,992,025.80-205,386,564.40

Finding the Fourth Proportional to 227,328,017.20, 340,992,025.80 and 205,386,564.40

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Solution

The fourth proportional to 227,328,017.20, 340,992,025.80 and 205,386,564.40 is: 308,079,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,328,017.20 : 340,992,025.80 = 205,386,564.40 : x
  2. Step 2: Convert to fraction form
    227,328,017.20/340,992,025.80 = 205,386,564.40/x
  3. Step 3: Cross multiply
    227,328,017.20x = 340,992,025.80 × 205,386,564.40
  4. Step 4: Simplify right side
    227,328,017.20x = 70,035,180,666,858,168
  5. Step 5: Solve for x
    x = 70,035,180,666,858,168/227,328,017.20
  6. Step 6: Final answer
    x = 308,079,846.60

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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.