Home / 340,816,135.80-511,560,126.90-168,487,534.20

Finding the Fourth Proportional to 340,816,135.80, 511,560,126.90 and 168,487,534.20

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Solution

The fourth proportional to 340,816,135.80, 511,560,126.90 and 168,487,534.20 is: 252,897,369.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,816,135.80 : 511,560,126.90 = 168,487,534.20 : x
  2. Step 2: Convert to fraction form
    340,816,135.80/511,560,126.90 = 168,487,534.20/x
  3. Step 3: Cross multiply
    340,816,135.80x = 511,560,126.90 × 168,487,534.20
  4. Step 4: Simplify right side
    340,816,135.80x = 86,191,504,376,420,080
  5. Step 5: Solve for x
    x = 86,191,504,376,420,080/340,816,135.80
  6. Step 6: Final answer
    x = 252,897,369.94

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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.