Home / 166,595,035.32-229,739,637.42-129,912,221.88

Finding the Fourth Proportional to 166,595,035.32, 229,739,637.42 and 129,912,221.88

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Solution

The fourth proportional to 166,595,035.32, 229,739,637.42 and 129,912,221.88 is: 179,152,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,595,035.32 : 229,739,637.42 = 129,912,221.88 : x
  2. Step 2: Convert to fraction form
    166,595,035.32/229,739,637.42 = 129,912,221.88/x
  3. Step 3: Cross multiply
    166,595,035.32x = 229,739,637.42 × 129,912,221.88
  4. Step 4: Simplify right side
    166,595,035.32x = 29,845,986,751,137,788
  5. Step 5: Solve for x
    x = 29,845,986,751,137,788/166,595,035.32
  6. Step 6: Final answer
    x = 179,152,918.30

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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.