Home / 137,934,542.44-190,395,794.24-82,197,440.92

Finding the Fourth Proportional to 137,934,542.44, 190,395,794.24 and 82,197,440.92

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Solution

The fourth proportional to 137,934,542.44, 190,395,794.24 and 82,197,440.92 is: 113,459,955.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,934,542.44 : 190,395,794.24 = 82,197,440.92 : x
  2. Step 2: Convert to fraction form
    137,934,542.44/190,395,794.24 = 82,197,440.92/x
  3. Step 3: Cross multiply
    137,934,542.44x = 190,395,794.24 × 82,197,440.92
  4. Step 4: Simplify right side
    137,934,542.44x = 15,650,047,048,458,878
  5. Step 5: Solve for x
    x = 15,650,047,048,458,878/137,934,542.44
  6. Step 6: Final answer
    x = 113,459,955.51

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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.