Home / 165,415,087.80-248,122,631.70-142,456,836.60

Finding the Fourth Proportional to 165,415,087.80, 248,122,631.70 and 142,456,836.60

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Solution

The fourth proportional to 165,415,087.80, 248,122,631.70 and 142,456,836.60 is: 213,685,254.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,415,087.80 : 248,122,631.70 = 142,456,836.60 : x
  2. Step 2: Convert to fraction form
    165,415,087.80/248,122,631.70 = 142,456,836.60/x
  3. Step 3: Cross multiply
    165,415,087.80x = 248,122,631.70 × 142,456,836.60
  4. Step 4: Simplify right side
    165,415,087.80x = 35,346,765,200,848,876
  5. Step 5: Solve for x
    x = 35,346,765,200,848,876/165,415,087.80
  6. Step 6: Final answer
    x = 213,685,254.90

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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.