Home / 131,054,455.80-196,707,654.90-66,431,230.20

Finding the Fourth Proportional to 131,054,455.80, 196,707,654.90 and 66,431,230.20

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Solution

The fourth proportional to 131,054,455.80, 196,707,654.90 and 66,431,230.20 is: 99,710,699.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,054,455.80 : 196,707,654.90 = 66,431,230.20 : x
  2. Step 2: Convert to fraction form
    131,054,455.80/196,707,654.90 = 66,431,230.20/x
  3. Step 3: Cross multiply
    131,054,455.80x = 196,707,654.90 × 66,431,230.20
  4. Step 4: Simplify right side
    131,054,455.80x = 13,067,531,504,764,058
  5. Step 5: Solve for x
    x = 13,067,531,504,764,058/131,054,455.80
  6. Step 6: Final answer
    x = 99,710,699.84

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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.