Home / 149,512,460.46-206,327,203.19-82,531,436.31

Finding the Fourth Proportional to 149,512,460.46, 206,327,203.19 and 82,531,436.31

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Solution

The fourth proportional to 149,512,460.46, 206,327,203.19 and 82,531,436.31 is: 113,893,386.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,512,460.46 : 206,327,203.19 = 82,531,436.31 : x
  2. Step 2: Convert to fraction form
    149,512,460.46/206,327,203.19 = 82,531,436.31/x
  3. Step 3: Cross multiply
    149,512,460.46x = 206,327,203.19 × 82,531,436.31
  4. Step 4: Simplify right side
    149,512,460.46x = 17,028,480,429,095,914
  5. Step 5: Solve for x
    x = 17,028,480,429,095,914/149,512,460.46
  6. Step 6: Final answer
    x = 113,893,386.39

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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.