Home / 157,487,747.04-217,352,719.44-91,394,053.92

Finding the Fourth Proportional to 157,487,747.04, 217,352,719.44 and 91,394,053.92

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Solution

The fourth proportional to 157,487,747.04, 217,352,719.44 and 91,394,053.92 is: 126,135,185.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,487,747.04 : 217,352,719.44 = 91,394,053.92 : x
  2. Step 2: Convert to fraction form
    157,487,747.04/217,352,719.44 = 91,394,053.92/x
  3. Step 3: Cross multiply
    157,487,747.04x = 217,352,719.44 × 91,394,053.92
  4. Step 4: Simplify right side
    157,487,747.04x = 19,864,746,160,157,992
  5. Step 5: Solve for x
    x = 19,864,746,160,157,992/157,487,747.04
  6. Step 6: Final answer
    x = 126,135,185.33

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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.