Home / 155,060,398.58-213,984,784.94-85,448,270.52

Finding the Fourth Proportional to 155,060,398.58, 213,984,784.94 and 85,448,270.52

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Solution

The fourth proportional to 155,060,398.58, 213,984,784.94 and 85,448,270.52 is: 117,919,404.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,060,398.58 : 213,984,784.94 = 85,448,270.52 : x
  2. Step 2: Convert to fraction form
    155,060,398.58/213,984,784.94 = 85,448,270.52/x
  3. Step 3: Cross multiply
    155,060,398.58x = 213,984,784.94 × 85,448,270.52
  4. Step 4: Simplify right side
    155,060,398.58x = 18,284,629,790,289,900
  5. Step 5: Solve for x
    x = 18,284,629,790,289,900/155,060,398.58
  6. Step 6: Final answer
    x = 117,919,404.04

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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.