Home / 188,713,004.48-260,432,325.60-106,212,132.80

Finding the Fourth Proportional to 188,713,004.48, 260,432,325.60 and 106,212,132.80

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Solution

The fourth proportional to 188,713,004.48, 260,432,325.60 and 106,212,132.80 is: 146,577,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,713,004.48 : 260,432,325.60 = 106,212,132.80 : x
  2. Step 2: Convert to fraction form
    188,713,004.48/260,432,325.60 = 106,212,132.80/x
  3. Step 3: Cross multiply
    188,713,004.48x = 260,432,325.60 × 106,212,132.80
  4. Step 4: Simplify right side
    188,713,004.48x = 27,661,072,752,040,040
  5. Step 5: Solve for x
    x = 27,661,072,752,040,040/188,713,004.48
  6. Step 6: Final answer
    x = 146,577,459.40

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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.