Home / 207,176,905.78-285,904,157.97-114,357,431.14

Finding the Fourth Proportional to 207,176,905.78, 285,904,157.97 and 114,357,431.14

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Solution

The fourth proportional to 207,176,905.78, 285,904,157.97 and 114,357,431.14 is: 157,813,270.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,176,905.78 : 285,904,157.97 = 114,357,431.14 : x
  2. Step 2: Convert to fraction form
    207,176,905.78/285,904,157.97 = 114,357,431.14/x
  3. Step 3: Cross multiply
    207,176,905.78x = 285,904,157.97 × 114,357,431.14
  4. Step 4: Simplify right side
    207,176,905.78x = 32,695,265,057,693,960
  5. Step 5: Solve for x
    x = 32,695,265,057,693,960/207,176,905.78
  6. Step 6: Final answer
    x = 157,813,270.43

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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.