Home / 212,936,701.65-319,405,052.48-140,235,572.85

Finding the Fourth Proportional to 212,936,701.65, 319,405,052.48 and 140,235,572.85

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Solution

The fourth proportional to 212,936,701.65, 319,405,052.48 and 140,235,572.85 is: 210,353,359.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,936,701.65 : 319,405,052.48 = 140,235,572.85 : x
  2. Step 2: Convert to fraction form
    212,936,701.65/319,405,052.48 = 140,235,572.85/x
  3. Step 3: Cross multiply
    212,936,701.65x = 319,405,052.48 × 140,235,572.85
  4. Step 4: Simplify right side
    212,936,701.65x = 44,791,950,505,015,936
  5. Step 5: Solve for x
    x = 44,791,950,505,015,936/212,936,701.65
  6. Step 6: Final answer
    x = 210,353,359.28

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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.