Home / 213,050,401.90-294,212,608.78-201,443,563.68

Finding the Fourth Proportional to 213,050,401.90, 294,212,608.78 and 201,443,563.68

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Solution

The fourth proportional to 213,050,401.90, 294,212,608.78 and 201,443,563.68 is: 278,184,109.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,050,401.90 : 294,212,608.78 = 201,443,563.68 : x
  2. Step 2: Convert to fraction form
    213,050,401.90/294,212,608.78 = 201,443,563.68/x
  3. Step 3: Cross multiply
    213,050,401.90x = 294,212,608.78 × 201,443,563.68
  4. Step 4: Simplify right side
    213,050,401.90x = 59,267,236,392,232,856
  5. Step 5: Solve for x
    x = 59,267,236,392,232,856/213,050,401.90
  6. Step 6: Final answer
    x = 278,184,109.79

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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.