Home / 104,813,304.28-144,640,422.48-57,128,969.56

Finding the Fourth Proportional to 104,813,304.28, 144,640,422.48 and 57,128,969.56

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Solution

The fourth proportional to 104,813,304.28, 144,640,422.48 and 57,128,969.56 is: 78,836,921.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,813,304.28 : 144,640,422.48 = 57,128,969.56 : x
  2. Step 2: Convert to fraction form
    104,813,304.28/144,640,422.48 = 57,128,969.56/x
  3. Step 3: Cross multiply
    104,813,304.28x = 144,640,422.48 × 57,128,969.56
  4. Step 4: Simplify right side
    104,813,304.28x = 8,263,158,293,005,459
  5. Step 5: Solve for x
    x = 8,263,158,293,005,459/104,813,304.28
  6. Step 6: Final answer
    x = 78,836,921.99

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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.