Home / 258,143,766.44-356,236,425.43-140,668,733.39

Finding the Fourth Proportional to 258,143,766.44, 356,236,425.43 and 140,668,733.39

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Solution

The fourth proportional to 258,143,766.44, 356,236,425.43 and 140,668,733.39 is: 194,121,777.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,143,766.44 : 356,236,425.43 = 140,668,733.39 : x
  2. Step 2: Convert to fraction form
    258,143,766.44/356,236,425.43 = 140,668,733.39/x
  3. Step 3: Cross multiply
    258,143,766.44x = 356,236,425.43 × 140,668,733.39
  4. Step 4: Simplify right side
    258,143,766.44x = 50,111,326,750,486,432
  5. Step 5: Solve for x
    x = 50,111,326,750,486,432/258,143,766.44
  6. Step 6: Final answer
    x = 194,121,777.34

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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.