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Finding the Fourth Proportional to 299,599,902.72, 449,272,247.04 and 117,719,498.88

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Solution

The fourth proportional to 299,599,902.72, 449,272,247.04 and 117,719,498.88 is: 176,529,108.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,599,902.72 : 449,272,247.04 = 117,719,498.88 : x
  2. Step 2: Convert to fraction form
    299,599,902.72/449,272,247.04 = 117,719,498.88/x
  3. Step 3: Cross multiply
    299,599,902.72x = 449,272,247.04 × 117,719,498.88
  4. Step 4: Simplify right side
    299,599,902.72x = 52,888,103,782,240,360
  5. Step 5: Solve for x
    x = 52,888,103,782,240,360/299,599,902.72
  6. Step 6: Final answer
    x = 176,529,108.66

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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.