Home / 206,063,999.10-309,095,998.65-145,597,823.10

Finding the Fourth Proportional to 206,063,999.10, 309,095,998.65 and 145,597,823.10

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Solution

The fourth proportional to 206,063,999.10, 309,095,998.65 and 145,597,823.10 is: 218,396,734.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,063,999.10 : 309,095,998.65 = 145,597,823.10 : x
  2. Step 2: Convert to fraction form
    206,063,999.10/309,095,998.65 = 145,597,823.10/x
  3. Step 3: Cross multiply
    206,063,999.10x = 309,095,998.65 × 145,597,823.10
  4. Step 4: Simplify right side
    206,063,999.10x = 45,003,704,532,360,536
  5. Step 5: Solve for x
    x = 45,003,704,532,360,536/206,063,999.10
  6. Step 6: Final answer
    x = 218,396,734.65

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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.