Home / 299,440,245.80-449,328,330.30-126,887,695.40

Finding the Fourth Proportional to 299,440,245.80, 449,328,330.30 and 126,887,695.40

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Solution

The fourth proportional to 299,440,245.80, 449,328,330.30 and 126,887,695.40 is: 190,402,716.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,440,245.80 : 449,328,330.30 = 126,887,695.40 : x
  2. Step 2: Convert to fraction form
    299,440,245.80/449,328,330.30 = 126,887,695.40/x
  3. Step 3: Cross multiply
    299,440,245.80x = 449,328,330.30 × 126,887,695.40
  4. Step 4: Simplify right side
    299,440,245.80x = 57,014,236,309,696,992
  5. Step 5: Solve for x
    x = 57,014,236,309,696,992/299,440,245.80
  6. Step 6: Final answer
    x = 190,402,716.77

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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.