Home / 112,157,994.60-168,236,991.90-51,691,818.60

Finding the Fourth Proportional to 112,157,994.60, 168,236,991.90 and 51,691,818.60

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Solution

The fourth proportional to 112,157,994.60, 168,236,991.90 and 51,691,818.60 is: 77,537,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,157,994.60 : 168,236,991.90 = 51,691,818.60 : x
  2. Step 2: Convert to fraction form
    112,157,994.60/168,236,991.90 = 51,691,818.60/x
  3. Step 3: Cross multiply
    112,157,994.60x = 168,236,991.90 × 51,691,818.60
  4. Step 4: Simplify right side
    112,157,994.60x = 8,696,476,067,104,470
  5. Step 5: Solve for x
    x = 8,696,476,067,104,470/112,157,994.60
  6. Step 6: Final answer
    x = 77,537,727.90

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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.