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Finding the Fourth Proportional to 169,987,915.60, 254,394,007.80 and 101,879,486.80

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Solution

The fourth proportional to 169,987,915.60, 254,394,007.80 and 101,879,486.80 is: 152,466,902.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,987,915.60 : 254,394,007.80 = 101,879,486.80 : x
  2. Step 2: Convert to fraction form
    169,987,915.60/254,394,007.80 = 101,879,486.80/x
  3. Step 3: Cross multiply
    169,987,915.60x = 254,394,007.80 × 101,879,486.80
  4. Step 4: Simplify right side
    169,987,915.60x = 25,917,530,959,659,196
  5. Step 5: Solve for x
    x = 25,917,530,959,659,196/169,987,915.60
  6. Step 6: Final answer
    x = 152,466,902.53

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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.