Home / 286,367,174.40-429,575,504.82-79,105,512.48

Finding the Fourth Proportional to 286,367,174.40, 429,575,504.82 and 79,105,512.48

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Solution

The fourth proportional to 286,367,174.40, 429,575,504.82 and 79,105,512.48 is: 118,665,103.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,367,174.40 : 429,575,504.82 = 79,105,512.48 : x
  2. Step 2: Convert to fraction form
    286,367,174.40/429,575,504.82 = 79,105,512.48/x
  3. Step 3: Cross multiply
    286,367,174.40x = 429,575,504.82 × 79,105,512.48
  4. Step 4: Simplify right side
    286,367,174.40x = 33,981,790,457,640,812
  5. Step 5: Solve for x
    x = 33,981,790,457,640,812/286,367,174.40
  6. Step 6: Final answer
    x = 118,665,103.74

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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.