Home / 171,394,121.68-236,596,261.96-115,714,933.08

Finding the Fourth Proportional to 171,394,121.68, 236,596,261.96 and 115,714,933.08

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Solution

The fourth proportional to 171,394,121.68, 236,596,261.96 and 115,714,933.08 is: 159,735,470.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,394,121.68 : 236,596,261.96 = 115,714,933.08 : x
  2. Step 2: Convert to fraction form
    171,394,121.68/236,596,261.96 = 115,714,933.08/x
  3. Step 3: Cross multiply
    171,394,121.68x = 236,596,261.96 × 115,714,933.08
  4. Step 4: Simplify right side
    171,394,121.68x = 27,377,720,619,679,552
  5. Step 5: Solve for x
    x = 27,377,720,619,679,552/171,394,121.68
  6. Step 6: Final answer
    x = 159,735,470.22

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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.