Home / 107,813,900.80-161,720,851.20-104,979,548.80

Finding the Fourth Proportional to 107,813,900.80, 161,720,851.20 and 104,979,548.80

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Solution

The fourth proportional to 107,813,900.80, 161,720,851.20 and 104,979,548.80 is: 157,469,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,813,900.80 : 161,720,851.20 = 104,979,548.80 : x
  2. Step 2: Convert to fraction form
    107,813,900.80/161,720,851.20 = 104,979,548.80/x
  3. Step 3: Cross multiply
    107,813,900.80x = 161,720,851.20 × 104,979,548.80
  4. Step 4: Simplify right side
    107,813,900.80x = 16,977,381,990,527,936
  5. Step 5: Solve for x
    x = 16,977,381,990,527,936/107,813,900.80
  6. Step 6: Final answer
    x = 157,469,323.20

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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.