Home / 34,162,119.64-47,139,073.98-20,408,163.16

Finding the Fourth Proportional to 34,162,119.64, 47,139,073.98 and 20,408,163.16

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Solution

The fourth proportional to 34,162,119.64, 47,139,073.98 and 20,408,163.16 is: 28,160,486.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,162,119.64 : 47,139,073.98 = 20,408,163.16 : x
  2. Step 2: Convert to fraction form
    34,162,119.64/47,139,073.98 = 20,408,163.16/x
  3. Step 3: Cross multiply
    34,162,119.64x = 47,139,073.98 × 20,408,163.16
  4. Step 4: Simplify right side
    34,162,119.64x = 962,021,912,995,150.50
  5. Step 5: Solve for x
    x = 962,021,912,995,150.50/34,162,119.64
  6. Step 6: Final answer
    x = 28,160,486.62

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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.