Home / 170,136,010.20-255,204,015.30-79,268,784.60

Finding the Fourth Proportional to 170,136,010.20, 255,204,015.30 and 79,268,784.60

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Solution

The fourth proportional to 170,136,010.20, 255,204,015.30 and 79,268,784.60 is: 118,903,176.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,136,010.20 : 255,204,015.30 = 79,268,784.60 : x
  2. Step 2: Convert to fraction form
    170,136,010.20/255,204,015.30 = 79,268,784.60/x
  3. Step 3: Cross multiply
    170,136,010.20x = 255,204,015.30 × 79,268,784.60
  4. Step 4: Simplify right side
    170,136,010.20x = 20,229,712,117,870,804
  5. Step 5: Solve for x
    x = 20,229,712,117,870,804/170,136,010.20
  6. Step 6: Final answer
    x = 118,903,176.90

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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.