Home / 248,428,286.79-342,826,588.06-135,398,796.66

Finding the Fourth Proportional to 248,428,286.79, 342,826,588.06 and 135,398,796.66

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Solution

The fourth proportional to 248,428,286.79, 342,826,588.06 and 135,398,796.66 is: 186,847,915.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,428,286.79 : 342,826,588.06 = 135,398,796.66 : x
  2. Step 2: Convert to fraction form
    248,428,286.79/342,826,588.06 = 135,398,796.66/x
  3. Step 3: Cross multiply
    248,428,286.79x = 342,826,588.06 × 135,398,796.66
  4. Step 4: Simplify right side
    248,428,286.79x = 46,418,307,485,839,328
  5. Step 5: Solve for x
    x = 46,418,307,485,839,328/248,428,286.79
  6. Step 6: Final answer
    x = 186,847,915.29

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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.