Home / 103,170,880.97-142,375,810.92-56,760,138.44

Finding the Fourth Proportional to 103,170,880.97, 142,375,810.92 and 56,760,138.44

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Solution

The fourth proportional to 103,170,880.97, 142,375,810.92 and 56,760,138.44 is: 78,328,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,170,880.97 : 142,375,810.92 = 56,760,138.44 : x
  2. Step 2: Convert to fraction form
    103,170,880.97/142,375,810.92 = 56,760,138.44/x
  3. Step 3: Cross multiply
    103,170,880.97x = 142,375,810.92 × 56,760,138.44
  4. Step 4: Simplify right side
    103,170,880.97x = 8,081,270,738,326,463
  5. Step 5: Solve for x
    x = 8,081,270,738,326,463/103,170,880.97
  6. Step 6: Final answer
    x = 78,328,988.40

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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.