Home / 137,934,542.45-190,395,794.25-82,197,440.94

Finding the Fourth Proportional to 137,934,542.45, 190,395,794.25 and 82,197,440.94

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Solution

The fourth proportional to 137,934,542.45, 190,395,794.25 and 82,197,440.94 is: 113,459,955.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,934,542.45 : 190,395,794.25 = 82,197,440.94 : x
  2. Step 2: Convert to fraction form
    137,934,542.45/190,395,794.25 = 82,197,440.94/x
  3. Step 3: Cross multiply
    137,934,542.45x = 190,395,794.25 × 82,197,440.94
  4. Step 4: Simplify right side
    137,934,542.45x = 15,650,047,053,088,766
  5. Step 5: Solve for x
    x = 15,650,047,053,088,766/137,934,542.45
  6. Step 6: Final answer
    x = 113,459,955.54

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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.