Home / 109,137,825.44-163,708,509.66-31,415,760.16

Finding the Fourth Proportional to 109,137,825.44, 163,708,509.66 and 31,415,760.16

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Solution

The fourth proportional to 109,137,825.44, 163,708,509.66 and 31,415,760.16 is: 47,124,150.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,137,825.44 : 163,708,509.66 = 31,415,760.16 : x
  2. Step 2: Convert to fraction form
    109,137,825.44/163,708,509.66 = 31,415,760.16/x
  3. Step 3: Cross multiply
    109,137,825.44x = 163,708,509.66 × 31,415,760.16
  4. Step 4: Simplify right side
    109,137,825.44x = 5,143,027,275,629,603
  5. Step 5: Solve for x
    x = 5,143,027,275,629,603/109,137,825.44
  6. Step 6: Final answer
    x = 47,124,150.17

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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.