Home / 203,653,905.51-281,072,004.17-114,355,874.28

Finding the Fourth Proportional to 203,653,905.51, 281,072,004.17 and 114,355,874.28

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Solution

The fourth proportional to 203,653,905.51, 281,072,004.17 and 114,355,874.28 is: 157,827,735.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,653,905.51 : 281,072,004.17 = 114,355,874.28 : x
  2. Step 2: Convert to fraction form
    203,653,905.51/281,072,004.17 = 114,355,874.28/x
  3. Step 3: Cross multiply
    203,653,905.51x = 281,072,004.17 × 114,355,874.28
  4. Step 4: Simplify right side
    203,653,905.51x = 32,142,234,771,920,380
  5. Step 5: Solve for x
    x = 32,142,234,771,920,380/203,653,905.51
  6. Step 6: Final answer
    x = 157,827,735.69

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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.