Home / 227,328,019.20-340,992,028.80-205,386,566.40

Finding the Fourth Proportional to 227,328,019.20, 340,992,028.80 and 205,386,566.40

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Solution

The fourth proportional to 227,328,019.20, 340,992,028.80 and 205,386,566.40 is: 308,079,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,328,019.20 : 340,992,028.80 = 205,386,566.40 : x
  2. Step 2: Convert to fraction form
    227,328,019.20/340,992,028.80 = 205,386,566.40/x
  3. Step 3: Cross multiply
    227,328,019.20x = 340,992,028.80 × 205,386,566.40
  4. Step 4: Simplify right side
    227,328,019.20x = 70,035,181,965,001,920
  5. Step 5: Solve for x
    x = 70,035,181,965,001,920/227,328,019.20
  6. Step 6: Final answer
    x = 308,079,849.60

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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.