Home / 101,227,076.82-139,693,500.73-54,817,410.78

Finding the Fourth Proportional to 101,227,076.82, 139,693,500.73 and 54,817,410.78

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Solution

The fourth proportional to 101,227,076.82, 139,693,500.73 and 54,817,410.78 is: 75,648,099.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,227,076.82 : 139,693,500.73 = 54,817,410.78 : x
  2. Step 2: Convert to fraction form
    101,227,076.82/139,693,500.73 = 54,817,410.78/x
  3. Step 3: Cross multiply
    101,227,076.82x = 139,693,500.73 × 54,817,410.78
  4. Step 4: Simplify right side
    101,227,076.82x = 7,657,636,012,675,596
  5. Step 5: Solve for x
    x = 7,657,636,012,675,596/101,227,076.82
  6. Step 6: Final answer
    x = 75,648,099.83

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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.