Home / 295,644,489.56-407,992,039.10-163,494,377.60

Finding the Fourth Proportional to 295,644,489.56, 407,992,039.10 and 163,494,377.60

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Solution

The fourth proportional to 295,644,489.56, 407,992,039.10 and 163,494,377.60 is: 225,623,702.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,644,489.56 : 407,992,039.10 = 163,494,377.60 : x
  2. Step 2: Convert to fraction form
    295,644,489.56/407,992,039.10 = 163,494,377.60/x
  3. Step 3: Cross multiply
    295,644,489.56x = 407,992,039.10 × 163,494,377.60
  4. Step 4: Simplify right side
    295,644,489.56x = 66,704,404,495,551,936
  5. Step 5: Solve for x
    x = 66,704,404,495,551,936/295,644,489.56
  6. Step 6: Final answer
    x = 225,623,702.97

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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.