Home / 124,201,815.78-171,399,676.13-68,449,243.64

Finding the Fourth Proportional to 124,201,815.78, 171,399,676.13 and 68,449,243.64

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Solution

The fourth proportional to 124,201,815.78, 171,399,676.13 and 68,449,243.64 is: 94,460,601.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,201,815.78 : 171,399,676.13 = 68,449,243.64 : x
  2. Step 2: Convert to fraction form
    124,201,815.78/171,399,676.13 = 68,449,243.64/x
  3. Step 3: Cross multiply
    124,201,815.78x = 171,399,676.13 × 68,449,243.64
  4. Step 4: Simplify right side
    124,201,815.78x = 11,732,178,190,040,218
  5. Step 5: Solve for x
    x = 11,732,178,190,040,218/124,201,815.78
  6. Step 6: Final answer
    x = 94,460,601.21

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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.