Home / 125,420,660.16-188,132,881.31-43,542,138.52

Finding the Fourth Proportional to 125,420,660.16, 188,132,881.31 and 43,542,138.52

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Solution

The fourth proportional to 125,420,660.16, 188,132,881.31 and 43,542,138.52 is: 65,313,864.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,420,660.16 : 188,132,881.31 = 43,542,138.52 : x
  2. Step 2: Convert to fraction form
    125,420,660.16/188,132,881.31 = 43,542,138.52/x
  3. Step 3: Cross multiply
    125,420,660.16x = 188,132,881.31 × 43,542,138.52
  4. Step 4: Simplify right side
    125,420,660.16x = 8,191,707,977,533,937
  5. Step 5: Solve for x
    x = 8,191,707,977,533,937/125,420,660.16
  6. Step 6: Final answer
    x = 65,313,864.29

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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.