Home / 206,079,591.41-309,117,812.45-52,725,401.81

Finding the Fourth Proportional to 206,079,591.41, 309,117,812.45 and 52,725,401.81

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Solution

The fourth proportional to 206,079,591.41, 309,117,812.45 and 52,725,401.81 is: 79,087,699.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,079,591.41 : 309,117,812.45 = 52,725,401.81 : x
  2. Step 2: Convert to fraction form
    206,079,591.41/309,117,812.45 = 52,725,401.81/x
  3. Step 3: Cross multiply
    206,079,591.41x = 309,117,812.45 × 52,725,401.81
  4. Step 4: Simplify right side
    206,079,591.41x = 16,298,360,866,245,254
  5. Step 5: Solve for x
    x = 16,298,360,866,245,254/206,079,591.41
  6. Step 6: Final answer
    x = 79,087,699.83

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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.