Home / 159,263,381.40-238,902,945.30-82,735,877.40

Finding the Fourth Proportional to 159,263,381.40, 238,902,945.30 and 82,735,877.40

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Solution

The fourth proportional to 159,263,381.40, 238,902,945.30 and 82,735,877.40 is: 124,107,906.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,263,381.40 : 238,902,945.30 = 82,735,877.40 : x
  2. Step 2: Convert to fraction form
    159,263,381.40/238,902,945.30 = 82,735,877.40/x
  3. Step 3: Cross multiply
    159,263,381.40x = 238,902,945.30 × 82,735,877.40
  4. Step 4: Simplify right side
    159,263,381.40x = 19,765,844,792,839,708
  5. Step 5: Solve for x
    x = 19,765,844,792,839,708/159,263,381.40
  6. Step 6: Final answer
    x = 124,107,906.16

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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.