Home / 193,018,021.20-289,208,167.20-164,320,207.20

Finding the Fourth Proportional to 193,018,021.20, 289,208,167.20 and 164,320,207.20

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Solution

The fourth proportional to 193,018,021.20, 289,208,167.20 and 164,320,207.20 is: 246,208,854.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,018,021.20 : 289,208,167.20 = 164,320,207.20 : x
  2. Step 2: Convert to fraction form
    193,018,021.20/289,208,167.20 = 164,320,207.20/x
  3. Step 3: Cross multiply
    193,018,021.20x = 289,208,167.20 × 164,320,207.20
  4. Step 4: Simplify right side
    193,018,021.20x = 47,522,745,958,236,240
  5. Step 5: Solve for x
    x = 47,522,745,958,236,240/193,018,021.20
  6. Step 6: Final answer
    x = 246,208,854.81

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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.