Home / 195,359,863.80-293,039,795.70-80,426,890.20

Finding the Fourth Proportional to 195,359,863.80, 293,039,795.70 and 80,426,890.20

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Solution

The fourth proportional to 195,359,863.80, 293,039,795.70 and 80,426,890.20 is: 120,640,335.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,359,863.80 : 293,039,795.70 = 80,426,890.20 : x
  2. Step 2: Convert to fraction form
    195,359,863.80/293,039,795.70 = 80,426,890.20/x
  3. Step 3: Cross multiply
    195,359,863.80x = 293,039,795.70 × 80,426,890.20
  4. Step 4: Simplify right side
    195,359,863.80x = 23,568,279,472,994,332
  5. Step 5: Solve for x
    x = 23,568,279,472,994,332/195,359,863.80
  6. Step 6: Final answer
    x = 120,640,335.30

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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.