Home / 248,301,331.20-372,451,996.80-140,805,907.20

Finding the Fourth Proportional to 248,301,331.20, 372,451,996.80 and 140,805,907.20

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Solution

The fourth proportional to 248,301,331.20, 372,451,996.80 and 140,805,907.20 is: 211,208,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,301,331.20 : 372,451,996.80 = 140,805,907.20 : x
  2. Step 2: Convert to fraction form
    248,301,331.20/372,451,996.80 = 140,805,907.20/x
  3. Step 3: Cross multiply
    248,301,331.20x = 372,451,996.80 × 140,805,907.20
  4. Step 4: Simplify right side
    248,301,331.20x = 52,443,441,297,875,496
  5. Step 5: Solve for x
    x = 52,443,441,297,875,496/248,301,331.20
  6. Step 6: Final answer
    x = 211,208,860.80

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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.