Home / 268,272,092.20-402,408,138.30-251,265,980.20

Finding the Fourth Proportional to 268,272,092.20, 402,408,138.30 and 251,265,980.20

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Solution

The fourth proportional to 268,272,092.20, 402,408,138.30 and 251,265,980.20 is: 376,898,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,272,092.20 : 402,408,138.30 = 251,265,980.20 : x
  2. Step 2: Convert to fraction form
    268,272,092.20/402,408,138.30 = 251,265,980.20/x
  3. Step 3: Cross multiply
    268,272,092.20x = 402,408,138.30 × 251,265,980.20
  4. Step 4: Simplify right side
    268,272,092.20x = 101,111,475,310,406,656
  5. Step 5: Solve for x
    x = 101,111,475,310,406,656/268,272,092.20
  6. Step 6: Final answer
    x = 376,898,970.30

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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.