Home / 144,125,673.84-198,907,656.48-82,255,268.88

Finding the Fourth Proportional to 144,125,673.84, 198,907,656.48 and 82,255,268.88

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Solution

The fourth proportional to 144,125,673.84, 198,907,656.48 and 82,255,268.88 is: 113,520,390.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,125,673.84 : 198,907,656.48 = 82,255,268.88 : x
  2. Step 2: Convert to fraction form
    144,125,673.84/198,907,656.48 = 82,255,268.88/x
  3. Step 3: Cross multiply
    144,125,673.84x = 198,907,656.48 × 82,255,268.88
  4. Step 4: Simplify right side
    144,125,673.84x = 16,361,202,766,053,072
  5. Step 5: Solve for x
    x = 16,361,202,766,053,072/144,125,673.84
  6. Step 6: Final answer
    x = 113,520,390.44

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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.