Home / 103,755,208.97-143,182,067.04-56,712,591.39

Finding the Fourth Proportional to 103,755,208.97, 143,182,067.04 and 56,712,591.39

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Solution

The fourth proportional to 103,755,208.97, 143,182,067.04 and 56,712,591.39 is: 78,263,309.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,755,208.97 : 143,182,067.04 = 56,712,591.39 : x
  2. Step 2: Convert to fraction form
    103,755,208.97/143,182,067.04 = 56,712,591.39/x
  3. Step 3: Cross multiply
    103,755,208.97x = 143,182,067.04 × 56,712,591.39
  4. Step 4: Simplify right side
    103,755,208.97x = 8,120,226,061,945,182
  5. Step 5: Solve for x
    x = 8,120,226,061,945,182/103,755,208.97
  6. Step 6: Final answer
    x = 78,263,309.79

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1.5x scale

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.