Home / 63,673,787.88-87,868,986.74-35,415,970.28

Finding the Fourth Proportional to 63,673,787.88, 87,868,986.74 and 35,415,970.28

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Solution

The fourth proportional to 63,673,787.88, 87,868,986.74 and 35,415,970.28 is: 48,873,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,673,787.88 : 87,868,986.74 = 35,415,970.28 : x
  2. Step 2: Convert to fraction form
    63,673,787.88/87,868,986.74 = 35,415,970.28/x
  3. Step 3: Cross multiply
    63,673,787.88x = 87,868,986.74 × 35,415,970.28
  4. Step 4: Simplify right side
    63,673,787.88x = 3,111,965,422,917,554
  5. Step 5: Solve for x
    x = 3,111,965,422,917,554/63,673,787.88
  6. Step 6: Final answer
    x = 48,873,571.47

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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.