Home / 212,821,000.20-319,105,529.10-110,784,328.20

Finding the Fourth Proportional to 212,821,000.20, 319,105,529.10 and 110,784,328.20

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Solution

The fourth proportional to 212,821,000.20, 319,105,529.10 and 110,784,328.20 is: 166,110,917.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,821,000.20 : 319,105,529.10 = 110,784,328.20 : x
  2. Step 2: Convert to fraction form
    212,821,000.20/319,105,529.10 = 110,784,328.20/x
  3. Step 3: Cross multiply
    212,821,000.20x = 319,105,529.10 × 110,784,328.20
  4. Step 4: Simplify right side
    212,821,000.20x = 35,351,891,666,249,056
  5. Step 5: Solve for x
    x = 35,351,891,666,249,056/212,821,000.20
  6. Step 6: Final answer
    x = 166,110,917.78

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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.