Home / 202,261,494.23-279,072,321.13-122,874,968.87

Finding the Fourth Proportional to 202,261,494.23, 279,072,321.13 and 122,874,968.87

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Solution

The fourth proportional to 202,261,494.23, 279,072,321.13 and 122,874,968.87 is: 169,537,968.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,261,494.23 : 279,072,321.13 = 122,874,968.87 : x
  2. Step 2: Convert to fraction form
    202,261,494.23/279,072,321.13 = 122,874,968.87/x
  3. Step 3: Cross multiply
    202,261,494.23x = 279,072,321.13 × 122,874,968.87
  4. Step 4: Simplify right side
    202,261,494.23x = 34,291,002,771,327,392
  5. Step 5: Solve for x
    x = 34,291,002,771,327,392/202,261,494.23
  6. Step 6: Final answer
    x = 169,537,968.17

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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.