Home / 243,999,640.44-336,635,329.76-155,945,181.15

Finding the Fourth Proportional to 243,999,640.44, 336,635,329.76 and 155,945,181.15

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Solution

The fourth proportional to 243,999,640.44, 336,635,329.76 and 155,945,181.15 is: 215,150,552.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,999,640.44 : 336,635,329.76 = 155,945,181.15 : x
  2. Step 2: Convert to fraction form
    243,999,640.44/336,635,329.76 = 155,945,181.15/x
  3. Step 3: Cross multiply
    243,999,640.44x = 336,635,329.76 × 155,945,181.15
  4. Step 4: Simplify right side
    243,999,640.44x = 52,496,657,480,718,256
  5. Step 5: Solve for x
    x = 52,496,657,480,718,256/243,999,640.44
  6. Step 6: Final answer
    x = 215,150,552.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.