Home / 272,153,647.20-408,230,470.80-169,975,257.60

Finding the Fourth Proportional to 272,153,647.20, 408,230,470.80 and 169,975,257.60

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Solution

The fourth proportional to 272,153,647.20, 408,230,470.80 and 169,975,257.60 is: 254,962,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,153,647.20 : 408,230,470.80 = 169,975,257.60 : x
  2. Step 2: Convert to fraction form
    272,153,647.20/408,230,470.80 = 169,975,257.60/x
  3. Step 3: Cross multiply
    272,153,647.20x = 408,230,470.80 × 169,975,257.60
  4. Step 4: Simplify right side
    272,153,647.20x = 69,389,079,434,399,280
  5. Step 5: Solve for x
    x = 69,389,079,434,399,280/272,153,647.20
  6. Step 6: Final answer
    x = 254,962,886.40

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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.