Home / 399,412,117.80-599,396,297.22-140,648,180.49

Finding the Fourth Proportional to 399,412,117.80, 599,396,297.22 and 140,648,180.49

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Solution

The fourth proportional to 399,412,117.80, 599,396,297.22 and 140,648,180.49 is: 211,070,207.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,412,117.80 : 599,396,297.22 = 140,648,180.49 : x
  2. Step 2: Convert to fraction form
    399,412,117.80/599,396,297.22 = 140,648,180.49/x
  3. Step 3: Cross multiply
    399,412,117.80x = 599,396,297.22 × 140,648,180.49
  4. Step 4: Simplify right side
    399,412,117.80x = 84,303,998,596,436,256
  5. Step 5: Solve for x
    x = 84,303,998,596,436,256/399,412,117.80
  6. Step 6: Final answer
    x = 211,070,207.54

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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.