Home / 206,079,591.91-309,117,813.20-52,725,402.31

Finding the Fourth Proportional to 206,079,591.91, 309,117,813.20 and 52,725,402.31

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Solution

The fourth proportional to 206,079,591.91, 309,117,813.20 and 52,725,402.31 is: 79,087,700.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,079,591.91 : 309,117,813.20 = 52,725,402.31 : x
  2. Step 2: Convert to fraction form
    206,079,591.91/309,117,813.20 = 52,725,402.31/x
  3. Step 3: Cross multiply
    206,079,591.91x = 309,117,813.20 × 52,725,402.31
  4. Step 4: Simplify right side
    206,079,591.91x = 16,298,361,060,348,212
  5. Step 5: Solve for x
    x = 16,298,361,060,348,212/206,079,591.91
  6. Step 6: Final answer
    x = 79,087,700.58

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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.