Home / 213,135,252.27-319,830,422.40-91,966,704.27

Finding the Fourth Proportional to 213,135,252.27, 319,830,422.40 and 91,966,704.27

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Solution

The fourth proportional to 213,135,252.27, 319,830,422.40 and 91,966,704.27 is: 138,005,090.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,135,252.27 : 319,830,422.40 = 91,966,704.27 : x
  2. Step 2: Convert to fraction form
    213,135,252.27/319,830,422.40 = 91,966,704.27/x
  3. Step 3: Cross multiply
    213,135,252.27x = 319,830,422.40 × 91,966,704.27
  4. Step 4: Simplify right side
    213,135,252.27x = 29,413,749,873,409,980
  5. Step 5: Solve for x
    x = 29,413,749,873,409,980/213,135,252.27
  6. Step 6: Final answer
    x = 138,005,090.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.