Home / 354,622,121.10-531,933,181.65-218,573,225.10

Finding the Fourth Proportional to 354,622,121.10, 531,933,181.65 and 218,573,225.10

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Solution

The fourth proportional to 354,622,121.10, 531,933,181.65 and 218,573,225.10 is: 327,859,837.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,622,121.10 : 531,933,181.65 = 218,573,225.10 : x
  2. Step 2: Convert to fraction form
    354,622,121.10/531,933,181.65 = 218,573,225.10/x
  3. Step 3: Cross multiply
    354,622,121.10x = 531,933,181.65 × 218,573,225.10
  4. Step 4: Simplify right side
    354,622,121.10x = 116,266,351,050,944,624
  5. Step 5: Solve for x
    x = 116,266,351,050,944,624/354,622,121.10
  6. Step 6: Final answer
    x = 327,859,837.65

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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.