Home / 77,841,144,896.84-116,749,919,824.56-21,185,422,853.48

Finding the Fourth Proportional to 77,841,144,896.84, 116,749,919,824.56 and 21,185,422,853.48

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Solution

The fourth proportional to 77,841,144,896.84, 116,749,919,824.56 and 21,185,422,853.48 is: 31,774,923,440.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,841,144,896.84 : 116,749,919,824.56 = 21,185,422,853.48 : x
  2. Step 2: Convert to fraction form
    77,841,144,896.84/116,749,919,824.56 = 21,185,422,853.48/x
  3. Step 3: Cross multiply
    77,841,144,896.84x = 116,749,919,824.56 × 21,185,422,853.48
  4. Step 4: Simplify right side
    77,841,144,896.84x = 2,473,396,419,593,191,292,928
  5. Step 5: Solve for x
    x = 2,473,396,419,593,191,292,928/77,841,144,896.84
  6. Step 6: Final answer
    x = 31,774,923,440.18

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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.