Home / 130,002,298,871.80-179,404,626,851.04-72,131,726,527.97

Finding the Fourth Proportional to 130,002,298,871.80, 179,404,626,851.04 and 72,131,726,527.97

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Solution

The fourth proportional to 130,002,298,871.80, 179,404,626,851.04 and 72,131,726,527.97 is: 99,542,589,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,002,298,871.80 : 179,404,626,851.04 = 72,131,726,527.97 : x
  2. Step 2: Convert to fraction form
    130,002,298,871.80/179,404,626,851.04 = 72,131,726,527.97/x
  3. Step 3: Cross multiply
    130,002,298,871.80x = 179,404,626,851.04 × 72,131,726,527.97
  4. Step 4: Simplify right side
    130,002,298,871.80x = 12,940,765,481,870,823,522,304
  5. Step 5: Solve for x
    x = 12,940,765,481,870,823,522,304/130,002,298,871.80
  6. Step 6: Final answer
    x = 99,542,589,586.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.