Home / 199,179,703.11-298,770,115.17-76,395,657.51

Finding the Fourth Proportional to 199,179,703.11, 298,770,115.17 and 76,395,657.51

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Solution

The fourth proportional to 199,179,703.11, 298,770,115.17 and 76,395,657.51 is: 114,593,701.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,179,703.11 : 298,770,115.17 = 76,395,657.51 : x
  2. Step 2: Convert to fraction form
    199,179,703.11/298,770,115.17 = 76,395,657.51/x
  3. Step 3: Cross multiply
    199,179,703.11x = 298,770,115.17 × 76,395,657.51
  4. Step 4: Simplify right side
    199,179,703.11x = 22,824,739,392,750,580
  5. Step 5: Solve for x
    x = 22,824,739,392,750,580/199,179,703.11
  6. Step 6: Final answer
    x = 114,593,701.25

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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.