Home / 340,816,137.80-511,560,129.90-168,487,536.20

Finding the Fourth Proportional to 340,816,137.80, 511,560,129.90 and 168,487,536.20

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Solution

The fourth proportional to 340,816,137.80, 511,560,129.90 and 168,487,536.20 is: 252,897,372.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,816,137.80 : 511,560,129.90 = 168,487,536.20 : x
  2. Step 2: Convert to fraction form
    340,816,137.80/511,560,129.90 = 168,487,536.20/x
  3. Step 3: Cross multiply
    340,816,137.80x = 511,560,129.90 × 168,487,536.20
  4. Step 4: Simplify right side
    340,816,137.80x = 86,191,505,905,002,944
  5. Step 5: Solve for x
    x = 86,191,505,905,002,944/340,816,137.80
  6. Step 6: Final answer
    x = 252,897,372.94

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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.