Home / 368,072,009.60-551,639,121.60-195,631,433.60

Finding the Fourth Proportional to 368,072,009.60, 551,639,121.60 and 195,631,433.60

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Solution

The fourth proportional to 368,072,009.60, 551,639,121.60 and 195,631,433.60 is: 293,197,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,072,009.60 : 551,639,121.60 = 195,631,433.60 : x
  2. Step 2: Convert to fraction form
    368,072,009.60/551,639,121.60 = 195,631,433.60/x
  3. Step 3: Cross multiply
    368,072,009.60x = 551,639,121.60 × 195,631,433.60
  4. Step 4: Simplify right side
    368,072,009.60x = 107,917,952,188,452,720
  5. Step 5: Solve for x
    x = 107,917,952,188,452,720/368,072,009.60
  6. Step 6: Final answer
    x = 293,197,932.40

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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.