Home / 348,558,412.20-522,857,279.10-106,229,221.80

Finding the Fourth Proportional to 348,558,412.20, 522,857,279.10 and 106,229,221.80

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Solution

The fourth proportional to 348,558,412.20, 522,857,279.10 and 106,229,221.80 is: 159,349,824.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,558,412.20 : 522,857,279.10 = 106,229,221.80 : x
  2. Step 2: Convert to fraction form
    348,558,412.20/522,857,279.10 = 106,229,221.80/x
  3. Step 3: Cross multiply
    348,558,412.20x = 522,857,279.10 × 106,229,221.80
  4. Step 4: Simplify right side
    348,558,412.20x = 55,542,721,871,258,408
  5. Step 5: Solve for x
    x = 55,542,721,871,258,408/348,558,412.20
  6. Step 6: Final answer
    x = 159,349,824.67

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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.