Home / 545,454,010.80-818,181,016.20-136,509,505.20

Finding the Fourth Proportional to 545,454,010.80, 818,181,016.20 and 136,509,505.20

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Solution

The fourth proportional to 545,454,010.80, 818,181,016.20 and 136,509,505.20 is: 204,764,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,454,010.80 : 818,181,016.20 = 136,509,505.20 : x
  2. Step 2: Convert to fraction form
    545,454,010.80/818,181,016.20 = 136,509,505.20/x
  3. Step 3: Cross multiply
    545,454,010.80x = 818,181,016.20 × 136,509,505.20
  4. Step 4: Simplify right side
    545,454,010.80x = 111,689,485,685,495,184
  5. Step 5: Solve for x
    x = 111,689,485,685,495,184/545,454,010.80
  6. Step 6: Final answer
    x = 204,764,257.80

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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.