Home / 127,982,997.24-176,621,548.22-72,230,365.14

Finding the Fourth Proportional to 127,982,997.24, 176,621,548.22 and 72,230,365.14

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Solution

The fourth proportional to 127,982,997.24, 176,621,548.22 and 72,230,365.14 is: 99,680,732.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,982,997.24 : 176,621,548.22 = 72,230,365.14 : x
  2. Step 2: Convert to fraction form
    127,982,997.24/176,621,548.22 = 72,230,365.14/x
  3. Step 3: Cross multiply
    127,982,997.24x = 176,621,548.22 × 72,230,365.14
  4. Step 4: Simplify right side
    127,982,997.24x = 12,757,438,919,522,718
  5. Step 5: Solve for x
    x = 12,757,438,919,522,718/127,982,997.24
  6. Step 6: Final answer
    x = 99,680,732.56

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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.