Home / 212,848,900.20-319,273,350.30-208,544,228.10

Finding the Fourth Proportional to 212,848,900.20, 319,273,350.30 and 208,544,228.10

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Solution

The fourth proportional to 212,848,900.20, 319,273,350.30 and 208,544,228.10 is: 312,816,342.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,848,900.20 : 319,273,350.30 = 208,544,228.10 : x
  2. Step 2: Convert to fraction form
    212,848,900.20/319,273,350.30 = 208,544,228.10/x
  3. Step 3: Cross multiply
    212,848,900.20x = 319,273,350.30 × 208,544,228.10
  4. Step 4: Simplify right side
    212,848,900.20x = 66,582,614,391,214,408
  5. Step 5: Solve for x
    x = 66,582,614,391,214,408/212,848,900.20
  6. Step 6: Final answer
    x = 312,816,342.15

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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.