Home / 356,027,032.70-534,135,027.45-125,972,128.70

Finding the Fourth Proportional to 356,027,032.70, 534,135,027.45 and 125,972,128.70

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Solution

The fourth proportional to 356,027,032.70, 534,135,027.45 and 125,972,128.70 is: 188,991,622.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,027,032.70 : 534,135,027.45 = 125,972,128.70 : x
  2. Step 2: Convert to fraction form
    356,027,032.70/534,135,027.45 = 125,972,128.70/x
  3. Step 3: Cross multiply
    356,027,032.70x = 534,135,027.45 × 125,972,128.70
  4. Step 4: Simplify right side
    356,027,032.70x = 67,286,126,421,109,432
  5. Step 5: Solve for x
    x = 67,286,126,421,109,432/356,027,032.70
  6. Step 6: Final answer
    x = 188,991,622.10

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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.