Home / 212,289,216.72-292,910,649.82-119,435,845.20

Finding the Fourth Proportional to 212,289,216.72, 292,910,649.82 and 119,435,845.20

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Solution

The fourth proportional to 212,289,216.72, 292,910,649.82 and 119,435,845.20 is: 164,794,197.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,289,216.72 : 292,910,649.82 = 119,435,845.20 : x
  2. Step 2: Convert to fraction form
    212,289,216.72/292,910,649.82 = 119,435,845.20/x
  3. Step 3: Cross multiply
    212,289,216.72x = 292,910,649.82 × 119,435,845.20
  4. Step 4: Simplify right side
    212,289,216.72x = 34,984,031,029,332,928
  5. Step 5: Solve for x
    x = 34,984,031,029,332,928/212,289,216.72
  6. Step 6: Final answer
    x = 164,794,197.13

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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.