Home / 261,821,149.44-361,233,106.56-151,790,899.20

Finding the Fourth Proportional to 261,821,149.44, 361,233,106.56 and 151,790,899.20

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Solution

The fourth proportional to 261,821,149.44, 361,233,106.56 and 151,790,899.20 is: 209,425,014.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,821,149.44 : 361,233,106.56 = 151,790,899.20 : x
  2. Step 2: Convert to fraction form
    261,821,149.44/361,233,106.56 = 151,790,899.20/x
  3. Step 3: Cross multiply
    261,821,149.44x = 361,233,106.56 × 151,790,899.20
  4. Step 4: Simplify right side
    261,821,149.44x = 54,831,898,065,551,816
  5. Step 5: Solve for x
    x = 54,831,898,065,551,816/261,821,149.44
  6. Step 6: Final answer
    x = 209,425,014.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.