Home / 311,592,274.88-429,959,877.44-179,476,239.04

Finding the Fourth Proportional to 311,592,274.88, 429,959,877.44 and 179,476,239.04

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Solution

The fourth proportional to 311,592,274.88, 429,959,877.44 and 179,476,239.04 is: 247,655,631.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,592,274.88 : 429,959,877.44 = 179,476,239.04 : x
  2. Step 2: Convert to fraction form
    311,592,274.88/429,959,877.44 = 179,476,239.04/x
  3. Step 3: Cross multiply
    311,592,274.88x = 429,959,877.44 × 179,476,239.04
  4. Step 4: Simplify right side
    311,592,274.88x = 77,167,581,741,030,544
  5. Step 5: Solve for x
    x = 77,167,581,741,030,544/311,592,274.88
  6. Step 6: Final answer
    x = 247,655,631.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.