Home / 104,128,535.28-143,694,264.40-57,083,999.79

Finding the Fourth Proportional to 104,128,535.28, 143,694,264.40 and 57,083,999.79

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Solution

The fourth proportional to 104,128,535.28, 143,694,264.40 and 57,083,999.79 is: 78,774,212.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,128,535.28 : 143,694,264.40 = 57,083,999.79 : x
  2. Step 2: Convert to fraction form
    104,128,535.28/143,694,264.40 = 57,083,999.79/x
  3. Step 3: Cross multiply
    104,128,535.28x = 143,694,264.40 × 57,083,999.79
  4. Step 4: Simplify right side
    104,128,535.28x = 8,202,643,358,833,805
  5. Step 5: Solve for x
    x = 8,202,643,358,833,805/104,128,535.28
  6. Step 6: Final answer
    x = 78,774,212.44

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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.