Home / 106,085,903.20-159,128,854.80-80,576,735.20

Finding the Fourth Proportional to 106,085,903.20, 159,128,854.80 and 80,576,735.20

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Solution

The fourth proportional to 106,085,903.20, 159,128,854.80 and 80,576,735.20 is: 120,865,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,085,903.20 : 159,128,854.80 = 80,576,735.20 : x
  2. Step 2: Convert to fraction form
    106,085,903.20/159,128,854.80 = 80,576,735.20/x
  3. Step 3: Cross multiply
    106,085,903.20x = 159,128,854.80 × 80,576,735.20
  4. Step 4: Simplify right side
    106,085,903.20x = 12,822,083,595,898,850
  5. Step 5: Solve for x
    x = 12,822,083,595,898,850/106,085,903.20
  6. Step 6: Final answer
    x = 120,865,102.80

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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.