Home / 131,167,891.40-196,751,837.10-40,296,000.20

Finding the Fourth Proportional to 131,167,891.40, 196,751,837.10 and 40,296,000.20

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Solution

The fourth proportional to 131,167,891.40, 196,751,837.10 and 40,296,000.20 is: 60,444,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,167,891.40 : 196,751,837.10 = 40,296,000.20 : x
  2. Step 2: Convert to fraction form
    131,167,891.40/196,751,837.10 = 40,296,000.20/x
  3. Step 3: Cross multiply
    131,167,891.40x = 196,751,837.10 × 40,296,000.20
  4. Step 4: Simplify right side
    131,167,891.40x = 7,928,312,067,131,968
  5. Step 5: Solve for x
    x = 7,928,312,067,131,968/131,167,891.40
  6. Step 6: Final answer
    x = 60,444,000.30

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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.