Home / 51,393,796.80-70,923,540.96-28,189,112.64

Finding the Fourth Proportional to 51,393,796.80, 70,923,540.96 and 28,189,112.64

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Solution

The fourth proportional to 51,393,796.80, 70,923,540.96 and 28,189,112.64 is: 38,901,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,393,796.80 : 70,923,540.96 = 28,189,112.64 : x
  2. Step 2: Convert to fraction form
    51,393,796.80/70,923,540.96 = 28,189,112.64/x
  3. Step 3: Cross multiply
    51,393,796.80x = 70,923,540.96 × 28,189,112.64
  4. Step 4: Simplify right side
    51,393,796.80x = 1,999,271,684,949,093.50
  5. Step 5: Solve for x
    x = 1,999,271,684,949,093.50/51,393,796.80
  6. Step 6: Final answer
    x = 38,901,031.05

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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.