Home / 133,631,070.72-200,476,431.36-42,760,112.64

Finding the Fourth Proportional to 133,631,070.72, 200,476,431.36 and 42,760,112.64

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Solution

The fourth proportional to 133,631,070.72, 200,476,431.36 and 42,760,112.64 is: 64,149,712.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,631,070.72 : 200,476,431.36 = 42,760,112.64 : x
  2. Step 2: Convert to fraction form
    133,631,070.72/200,476,431.36 = 42,760,112.64/x
  3. Step 3: Cross multiply
    133,631,070.72x = 200,476,431.36 × 42,760,112.64
  4. Step 4: Simplify right side
    133,631,070.72x = 8,572,394,786,618,829
  5. Step 5: Solve for x
    x = 8,572,394,786,618,829/133,631,070.72
  6. Step 6: Final answer
    x = 64,149,712.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.