Home / 106,086,004.20-159,129,006.30-80,576,836.20

Finding the Fourth Proportional to 106,086,004.20, 159,129,006.30 and 80,576,836.20

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Solution

The fourth proportional to 106,086,004.20, 159,129,006.30 and 80,576,836.20 is: 120,865,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,086,004.20 : 159,129,006.30 = 80,576,836.20 : x
  2. Step 2: Convert to fraction form
    106,086,004.20/159,129,006.30 = 80,576,836.20/x
  3. Step 3: Cross multiply
    106,086,004.20x = 159,129,006.30 × 80,576,836.20
  4. Step 4: Simplify right side
    106,086,004.20x = 12,822,111,875,303,870
  5. Step 5: Solve for x
    x = 12,822,111,875,303,870/106,086,004.20
  6. Step 6: Final answer
    x = 120,865,254.30

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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.