Home / 117,385,270.37-161,996,732.46-65,174,308.59

Finding the Fourth Proportional to 117,385,270.37, 161,996,732.46 and 65,174,308.59

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Solution

The fourth proportional to 117,385,270.37, 161,996,732.46 and 65,174,308.59 is: 89,943,354.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,385,270.37 : 161,996,732.46 = 65,174,308.59 : x
  2. Step 2: Convert to fraction form
    117,385,270.37/161,996,732.46 = 65,174,308.59/x
  3. Step 3: Cross multiply
    117,385,270.37x = 161,996,732.46 × 65,174,308.59
  4. Step 4: Simplify right side
    117,385,270.37x = 10,558,025,032,526,874
  5. Step 5: Solve for x
    x = 10,558,025,032,526,874/117,385,270.37
  6. Step 6: Final answer
    x = 89,943,354.90

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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.