Home / 131,080,535.80-196,647,047.70-38,964,095.80

Finding the Fourth Proportional to 131,080,535.80, 196,647,047.70 and 38,964,095.80

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Solution

The fourth proportional to 131,080,535.80, 196,647,047.70 and 38,964,095.80 is: 58,453,944.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,080,535.80 : 196,647,047.70 = 38,964,095.80 : x
  2. Step 2: Convert to fraction form
    131,080,535.80/196,647,047.70 = 38,964,095.80/x
  3. Step 3: Cross multiply
    131,080,535.80x = 196,647,047.70 × 38,964,095.80
  4. Step 4: Simplify right side
    131,080,535.80x = 7,662,174,405,369,969
  5. Step 5: Solve for x
    x = 7,662,174,405,369,969/131,080,535.80
  6. Step 6: Final answer
    x = 58,453,944.81

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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.