Home / 131,135,191.80-196,700,086.14-43,703,057.94

Finding the Fourth Proportional to 131,135,191.80, 196,700,086.14 and 43,703,057.94

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Solution

The fourth proportional to 131,135,191.80, 196,700,086.14 and 43,703,057.94 is: 65,553,686.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,135,191.80 : 196,700,086.14 = 43,703,057.94 : x
  2. Step 2: Convert to fraction form
    131,135,191.80/196,700,086.14 = 43,703,057.94/x
  3. Step 3: Cross multiply
    131,135,191.80x = 196,700,086.14 × 43,703,057.94
  4. Step 4: Simplify right side
    131,135,191.80x = 8,596,395,261,379,410
  5. Step 5: Solve for x
    x = 8,596,395,261,379,410/131,135,191.80
  6. Step 6: Final answer
    x = 65,553,686.57

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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.