Home / 204,207,662.48-281,910,637.32-157,693,496.72

Finding the Fourth Proportional to 204,207,662.48, 281,910,637.32 and 157,693,496.72

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Solution

The fourth proportional to 204,207,662.48, 281,910,637.32 and 157,693,496.72 is: 217,697,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,207,662.48 : 281,910,637.32 = 157,693,496.72 : x
  2. Step 2: Convert to fraction form
    204,207,662.48/281,910,637.32 = 157,693,496.72/x
  3. Step 3: Cross multiply
    204,207,662.48x = 281,910,637.32 × 157,693,496.72
  4. Step 4: Simplify right side
    204,207,662.48x = 44,455,474,161,554,528
  5. Step 5: Solve for x
    x = 44,455,474,161,554,528/204,207,662.48
  6. Step 6: Final answer
    x = 217,697,385.21

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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.