Home / 112,776,745.10-155,641,425.39-63,216,326.54

Finding the Fourth Proportional to 112,776,745.10, 155,641,425.39 and 63,216,326.54

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Solution

The fourth proportional to 112,776,745.10, 155,641,425.39 and 63,216,326.54 is: 87,243,865.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,776,745.10 : 155,641,425.39 = 63,216,326.54 : x
  2. Step 2: Convert to fraction form
    112,776,745.10/155,641,425.39 = 63,216,326.54/x
  3. Step 3: Cross multiply
    112,776,745.10x = 155,641,425.39 × 63,216,326.54
  4. Step 4: Simplify right side
    112,776,745.10x = 9,839,079,170,605,286
  5. Step 5: Solve for x
    x = 9,839,079,170,605,286/112,776,745.10
  6. Step 6: Final answer
    x = 87,243,865.41

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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.