Home / 195,359,871.80-293,039,807.70-80,426,898.20

Finding the Fourth Proportional to 195,359,871.80, 293,039,807.70 and 80,426,898.20

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Solution

The fourth proportional to 195,359,871.80, 293,039,807.70 and 80,426,898.20 is: 120,640,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,359,871.80 : 293,039,807.70 = 80,426,898.20 : x
  2. Step 2: Convert to fraction form
    195,359,871.80/293,039,807.70 = 80,426,898.20/x
  3. Step 3: Cross multiply
    195,359,871.80x = 293,039,807.70 × 80,426,898.20
  4. Step 4: Simplify right side
    195,359,871.80x = 23,568,282,782,435,476
  5. Step 5: Solve for x
    x = 23,568,282,782,435,476/195,359,871.80
  6. Step 6: Final answer
    x = 120,640,347.30

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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.