Home / 143,559,141.48-215,383,884.71-51,380,035.73

Finding the Fourth Proportional to 143,559,141.48, 215,383,884.71 and 51,380,035.73

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Solution

The fourth proportional to 143,559,141.48, 215,383,884.71 and 51,380,035.73 is: 77,086,220.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,559,141.48 : 215,383,884.71 = 51,380,035.73 : x
  2. Step 2: Convert to fraction form
    143,559,141.48/215,383,884.71 = 51,380,035.73/x
  3. Step 3: Cross multiply
    143,559,141.48x = 215,383,884.71 × 51,380,035.73
  4. Step 4: Simplify right side
    143,559,141.48x = 11,066,431,691,540,302
  5. Step 5: Solve for x
    x = 11,066,431,691,540,302/143,559,141.48
  6. Step 6: Final answer
    x = 77,086,220.89

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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.