Home / 284,251,638.58-426,418,072.89-87,531,668.98

Finding the Fourth Proportional to 284,251,638.58, 426,418,072.89 and 87,531,668.98

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Solution

The fourth proportional to 284,251,638.58, 426,418,072.89 and 87,531,668.98 is: 131,310,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,251,638.58 : 426,418,072.89 = 87,531,668.98 : x
  2. Step 2: Convert to fraction form
    284,251,638.58/426,418,072.89 = 87,531,668.98/x
  3. Step 3: Cross multiply
    284,251,638.58x = 426,418,072.89 × 87,531,668.98
  4. Step 4: Simplify right side
    284,251,638.58x = 37,325,085,603,296,992
  5. Step 5: Solve for x
    x = 37,325,085,603,296,992/284,251,638.58
  6. Step 6: Final answer
    x = 131,310,010.35

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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.