Home / 272,168,123.80-408,305,329.80-108,378,007.60

Finding the Fourth Proportional to 272,168,123.80, 408,305,329.80 and 108,378,007.60

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Solution

The fourth proportional to 272,168,123.80, 408,305,329.80 and 108,378,007.60 is: 162,588,173.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,168,123.80 : 408,305,329.80 = 108,378,007.60 : x
  2. Step 2: Convert to fraction form
    272,168,123.80/408,305,329.80 = 108,378,007.60/x
  3. Step 3: Cross multiply
    272,168,123.80x = 408,305,329.80 × 108,378,007.60
  4. Step 4: Simplify right side
    272,168,123.80x = 44,251,318,136,184,904
  5. Step 5: Solve for x
    x = 44,251,318,136,184,904/272,168,123.80
  6. Step 6: Final answer
    x = 162,588,173.51

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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.