Home / 87,204,051.20-130,806,076.80-61,376,018.60

Finding the Fourth Proportional to 87,204,051.20, 130,806,076.80 and 61,376,018.60

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Solution

The fourth proportional to 87,204,051.20, 130,806,076.80 and 61,376,018.60 is: 92,064,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,204,051.20 : 130,806,076.80 = 61,376,018.60 : x
  2. Step 2: Convert to fraction form
    87,204,051.20/130,806,076.80 = 61,376,018.60/x
  3. Step 3: Cross multiply
    87,204,051.20x = 130,806,076.80 × 61,376,018.60
  4. Step 4: Simplify right side
    87,204,051.20x = 8,028,356,202,669,828
  5. Step 5: Solve for x
    x = 8,028,356,202,669,828/87,204,051.20
  6. Step 6: Final answer
    x = 92,064,027.90

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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.