Home / 258,143,594.76-356,236,188.45-140,668,561.74

Finding the Fourth Proportional to 258,143,594.76, 356,236,188.45 and 140,668,561.74

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Solution

The fourth proportional to 258,143,594.76, 356,236,188.45 and 140,668,561.74 is: 194,121,540.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,143,594.76 : 356,236,188.45 = 140,668,561.74 : x
  2. Step 2: Convert to fraction form
    258,143,594.76/356,236,188.45 = 140,668,561.74/x
  3. Step 3: Cross multiply
    258,143,594.76x = 356,236,188.45 × 140,668,561.74
  4. Step 4: Simplify right side
    258,143,594.76x = 50,111,232,269,001,104
  5. Step 5: Solve for x
    x = 50,111,232,269,001,104/258,143,594.76
  6. Step 6: Final answer
    x = 194,121,540.44

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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.