Home / 103,305,247.82-142,567,689.57-56,895,489.44

Finding the Fourth Proportional to 103,305,247.82, 142,567,689.57 and 56,895,489.44

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Solution

The fourth proportional to 103,305,247.82, 142,567,689.57 and 56,895,489.44 is: 78,519,326.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,305,247.82 : 142,567,689.57 = 56,895,489.44 : x
  2. Step 2: Convert to fraction form
    103,305,247.82/142,567,689.57 = 56,895,489.44/x
  3. Step 3: Cross multiply
    103,305,247.82x = 142,567,689.57 × 56,895,489.44
  4. Step 4: Simplify right side
    103,305,247.82x = 8,111,458,476,415,132
  5. Step 5: Solve for x
    x = 8,111,458,476,415,132/103,305,247.82
  6. Step 6: Final answer
    x = 78,519,326.44

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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.