Home / 120,903,010.80-181,354,516.20-49,150,921.20

Finding the Fourth Proportional to 120,903,010.80, 181,354,516.20 and 49,150,921.20

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Solution

The fourth proportional to 120,903,010.80, 181,354,516.20 and 49,150,921.20 is: 73,726,381.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,903,010.80 : 181,354,516.20 = 49,150,921.20 : x
  2. Step 2: Convert to fraction form
    120,903,010.80/181,354,516.20 = 49,150,921.20/x
  3. Step 3: Cross multiply
    120,903,010.80x = 181,354,516.20 × 49,150,921.20
  4. Step 4: Simplify right side
    120,903,010.80x = 8,913,741,535,010,323
  5. Step 5: Solve for x
    x = 8,913,741,535,010,323/120,903,010.80
  6. Step 6: Final answer
    x = 73,726,381.80

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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.