Home / 84,760,104-116,961,783.84-51,282,056.28

Finding the Fourth Proportional to 84,760,104, 116,961,783.84 and 51,282,056.28

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Solution

The fourth proportional to 84,760,104, 116,961,783.84 and 51,282,056.28 is: 70,764,905.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,760,104 : 116,961,783.84 = 51,282,056.28 : x
  2. Step 2: Convert to fraction form
    84,760,104/116,961,783.84 = 51,282,056.28/x
  3. Step 3: Cross multiply
    84,760,104x = 116,961,783.84 × 51,282,056.28
  4. Step 4: Simplify right side
    84,760,104x = 5,998,040,781,492,075
  5. Step 5: Solve for x
    x = 5,998,040,781,492,075/84,760,104
  6. Step 6: Final answer
    x = 70,764,905.87

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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.