Home / 248,655,839.20-372,983,758.80-194,236,280.80

Finding the Fourth Proportional to 248,655,839.20, 372,983,758.80 and 194,236,280.80

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Solution

The fourth proportional to 248,655,839.20, 372,983,758.80 and 194,236,280.80 is: 291,354,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,655,839.20 : 372,983,758.80 = 194,236,280.80 : x
  2. Step 2: Convert to fraction form
    248,655,839.20/372,983,758.80 = 194,236,280.80/x
  3. Step 3: Cross multiply
    248,655,839.20x = 372,983,758.80 × 194,236,280.80
  4. Step 4: Simplify right side
    248,655,839.20x = 72,446,978,108,116,272
  5. Step 5: Solve for x
    x = 72,446,978,108,116,272/248,655,839.20
  6. Step 6: Final answer
    x = 291,354,421.20

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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.