Home / 106,024,761.20-159,037,141.80-85,869,369.20

Finding the Fourth Proportional to 106,024,761.20, 159,037,141.80 and 85,869,369.20

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Solution

The fourth proportional to 106,024,761.20, 159,037,141.80 and 85,869,369.20 is: 128,804,053.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,024,761.20 : 159,037,141.80 = 85,869,369.20 : x
  2. Step 2: Convert to fraction form
    106,024,761.20/159,037,141.80 = 85,869,369.20/x
  3. Step 3: Cross multiply
    106,024,761.20x = 159,037,141.80 × 85,869,369.20
  4. Step 4: Simplify right side
    106,024,761.20x = 13,656,419,045,736,954
  5. Step 5: Solve for x
    x = 13,656,419,045,736,954/106,024,761.20
  6. Step 6: Final answer
    x = 128,804,053.80

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1.5x scale

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.