Home / 209,957,240.80-314,935,861.20-204,288,536.80

Finding the Fourth Proportional to 209,957,240.80, 314,935,861.20 and 204,288,536.80

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Solution

The fourth proportional to 209,957,240.80, 314,935,861.20 and 204,288,536.80 is: 306,432,805.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,957,240.80 : 314,935,861.20 = 204,288,536.80 : x
  2. Step 2: Convert to fraction form
    209,957,240.80/314,935,861.20 = 204,288,536.80/x
  3. Step 3: Cross multiply
    209,957,240.80x = 314,935,861.20 × 204,288,536.80
  4. Step 4: Simplify right side
    209,957,240.80x = 64,337,786,270,395,896
  5. Step 5: Solve for x
    x = 64,337,786,270,395,896/209,957,240.80
  6. Step 6: Final answer
    x = 306,432,805.20

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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.