Home / 231,976,203.48-319,829,987.16-190,005,651.72

Finding the Fourth Proportional to 231,976,203.48, 319,829,987.16 and 190,005,651.72

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Solution

The fourth proportional to 231,976,203.48, 319,829,987.16 and 190,005,651.72 is: 261,964,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,976,203.48 : 319,829,987.16 = 190,005,651.72 : x
  2. Step 2: Convert to fraction form
    231,976,203.48/319,829,987.16 = 190,005,651.72/x
  3. Step 3: Cross multiply
    231,976,203.48x = 319,829,987.16 × 190,005,651.72
  4. Step 4: Simplify right side
    231,976,203.48x = 60,769,505,149,935,040
  5. Step 5: Solve for x
    x = 60,769,505,149,935,040/231,976,203.48
  6. Step 6: Final answer
    x = 261,964,392.20

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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.