Home / 255,539,759.91-352,644,171.65-142,509,374.49

Finding the Fourth Proportional to 255,539,759.91, 352,644,171.65 and 142,509,374.49

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Solution

The fourth proportional to 255,539,759.91, 352,644,171.65 and 142,509,374.49 is: 196,662,548.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,539,759.91 : 352,644,171.65 = 142,509,374.49 : x
  2. Step 2: Convert to fraction form
    255,539,759.91/352,644,171.65 = 142,509,374.49/x
  3. Step 3: Cross multiply
    255,539,759.91x = 352,644,171.65 × 142,509,374.49
  4. Step 4: Simplify right side
    255,539,759.91x = 50,255,100,318,673,144
  5. Step 5: Solve for x
    x = 50,255,100,318,673,144/255,539,759.91
  6. Step 6: Final answer
    x = 196,662,548.08

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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.