Home / 282,100,689.36-422,957,855.48-143,658,311.44

Finding the Fourth Proportional to 282,100,689.36, 422,957,855.48 and 143,658,311.44

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Solution

The fourth proportional to 282,100,689.36, 422,957,855.48 and 143,658,311.44 is: 215,389,091.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,100,689.36 : 422,957,855.48 = 143,658,311.44 : x
  2. Step 2: Convert to fraction form
    282,100,689.36/422,957,855.48 = 143,658,311.44/x
  3. Step 3: Cross multiply
    282,100,689.36x = 422,957,855.48 × 143,658,311.44
  4. Step 4: Simplify right side
    282,100,689.36x = 60,761,411,328,540,352
  5. Step 5: Solve for x
    x = 60,761,411,328,540,352/282,100,689.36
  6. Step 6: Final answer
    x = 215,389,091.98

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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.