Home / 268,272,091.20-402,408,136.80-251,265,979.20

Finding the Fourth Proportional to 268,272,091.20, 402,408,136.80 and 251,265,979.20

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Solution

The fourth proportional to 268,272,091.20, 402,408,136.80 and 251,265,979.20 is: 376,898,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,272,091.20 : 402,408,136.80 = 251,265,979.20 : x
  2. Step 2: Convert to fraction form
    268,272,091.20/402,408,136.80 = 251,265,979.20/x
  3. Step 3: Cross multiply
    268,272,091.20x = 402,408,136.80 × 251,265,979.20
  4. Step 4: Simplify right side
    268,272,091.20x = 101,111,474,531,099,552
  5. Step 5: Solve for x
    x = 101,111,474,531,099,552/268,272,091.20
  6. Step 6: Final answer
    x = 376,898,968.80

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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.