Home / 132,090,032.20-198,135,048.30-51,258,512.20

Finding the Fourth Proportional to 132,090,032.20, 198,135,048.30 and 51,258,512.20

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Solution

The fourth proportional to 132,090,032.20, 198,135,048.30 and 51,258,512.20 is: 76,887,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,090,032.20 : 198,135,048.30 = 51,258,512.20 : x
  2. Step 2: Convert to fraction form
    132,090,032.20/198,135,048.30 = 51,258,512.20/x
  3. Step 3: Cross multiply
    132,090,032.20x = 198,135,048.30 × 51,258,512.20
  4. Step 4: Simplify right side
    132,090,032.20x = 10,156,107,790,533,140
  5. Step 5: Solve for x
    x = 10,156,107,790,533,140/132,090,032.20
  6. Step 6: Final answer
    x = 76,887,768.30

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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.