Home / 325,843,238.48-488,900,211.96-131,891,758.16

Finding the Fourth Proportional to 325,843,238.48, 488,900,211.96 and 131,891,758.16

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Solution

The fourth proportional to 325,843,238.48, 488,900,211.96 and 131,891,758.16 is: 197,892,424.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,843,238.48 : 488,900,211.96 = 131,891,758.16 : x
  2. Step 2: Convert to fraction form
    325,843,238.48/488,900,211.96 = 131,891,758.16/x
  3. Step 3: Cross multiply
    325,843,238.48x = 488,900,211.96 × 131,891,758.16
  4. Step 4: Simplify right side
    325,843,238.48x = 64,481,908,520,201,056
  5. Step 5: Solve for x
    x = 64,481,908,520,201,056/325,843,238.48
  6. Step 6: Final answer
    x = 197,892,424.65

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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.