Home / 84,845,430.72-127,244,918.79-23,419,905.30

Finding the Fourth Proportional to 84,845,430.72, 127,244,918.79 and 23,419,905.30

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Solution

The fourth proportional to 84,845,430.72, 127,244,918.79 and 23,419,905.30 is: 35,123,446.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,845,430.72 : 127,244,918.79 = 23,419,905.30 : x
  2. Step 2: Convert to fraction form
    84,845,430.72/127,244,918.79 = 23,419,905.30/x
  3. Step 3: Cross multiply
    84,845,430.72x = 127,244,918.79 × 23,419,905.30
  4. Step 4: Simplify right side
    84,845,430.72x = 2,980,063,947,967,991
  5. Step 5: Solve for x
    x = 2,980,063,947,967,991/84,845,430.72
  6. Step 6: Final answer
    x = 35,123,446.52

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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.