Home / 407,625,433.12-611,421,070.38-131,270,530.24

Finding the Fourth Proportional to 407,625,433.12, 611,421,070.38 and 131,270,530.24

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Solution

The fourth proportional to 407,625,433.12, 611,421,070.38 and 131,270,530.24 is: 196,900,295.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,625,433.12 : 611,421,070.38 = 131,270,530.24 : x
  2. Step 2: Convert to fraction form
    407,625,433.12/611,421,070.38 = 131,270,530.24/x
  3. Step 3: Cross multiply
    407,625,433.12x = 611,421,070.38 × 131,270,530.24
  4. Step 4: Simplify right side
    407,625,433.12x = 80,261,568,108,690,960
  5. Step 5: Solve for x
    x = 80,261,568,108,690,960/407,625,433.12
  6. Step 6: Final answer
    x = 196,900,295.19

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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.