Home / 109,481,455.49-151,068,156.60-66,494,355.75

Finding the Fourth Proportional to 109,481,455.49, 151,068,156.60 and 66,494,355.75

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Solution

The fourth proportional to 109,481,455.49, 151,068,156.60 and 66,494,355.75 is: 91,752,340.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,481,455.49 : 151,068,156.60 = 66,494,355.75 : x
  2. Step 2: Convert to fraction form
    109,481,455.49/151,068,156.60 = 66,494,355.75/x
  3. Step 3: Cross multiply
    109,481,455.49x = 151,068,156.60 × 66,494,355.75
  4. Step 4: Simplify right side
    109,481,455.49x = 10,045,179,747,457,110
  5. Step 5: Solve for x
    x = 10,045,179,747,457,110/109,481,455.49
  6. Step 6: Final answer
    x = 91,752,340.18

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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.