Home / 87,372,214,062.08-120,572,797,009.92-47,273,313,620.48

Finding the Fourth Proportional to 87,372,214,062.08, 120,572,797,009.92 and 47,273,313,620.48

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Solution

The fourth proportional to 87,372,214,062.08, 120,572,797,009.92 and 47,273,313,620.48 is: 65,236,708,355.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,372,214,062.08 : 120,572,797,009.92 = 47,273,313,620.48 : x
  2. Step 2: Convert to fraction form
    87,372,214,062.08/120,572,797,009.92 = 47,273,313,620.48/x
  3. Step 3: Cross multiply
    87,372,214,062.08x = 120,572,797,009.92 × 47,273,313,620.48
  4. Step 4: Simplify right side
    87,372,214,062.08x = 5,699,875,647,148,421,808,128
  5. Step 5: Solve for x
    x = 5,699,875,647,148,421,808,128/87,372,214,062.08
  6. Step 6: Final answer
    x = 65,236,708,355.57

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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.