Home / 115,917,996.60-173,876,994.90-75,103,327.80

Finding the Fourth Proportional to 115,917,996.60, 173,876,994.90 and 75,103,327.80

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Solution

The fourth proportional to 115,917,996.60, 173,876,994.90 and 75,103,327.80 is: 112,654,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,917,996.60 : 173,876,994.90 = 75,103,327.80 : x
  2. Step 2: Convert to fraction form
    115,917,996.60/173,876,994.90 = 75,103,327.80/x
  3. Step 3: Cross multiply
    115,917,996.60x = 173,876,994.90 × 75,103,327.80
  4. Step 4: Simplify right side
    115,917,996.60x = 13,058,740,944,853,628
  5. Step 5: Solve for x
    x = 13,058,740,944,853,628/115,917,996.60
  6. Step 6: Final answer
    x = 112,654,991.70

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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.