Home / 206,112,091.20-309,161,050.72-52,759,476.16

Finding the Fourth Proportional to 206,112,091.20, 309,161,050.72 and 52,759,476.16

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Solution

The fourth proportional to 206,112,091.20, 309,161,050.72 and 52,759,476.16 is: 79,137,400.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,112,091.20 : 309,161,050.72 = 52,759,476.16 : x
  2. Step 2: Convert to fraction form
    206,112,091.20/309,161,050.72 = 52,759,476.16/x
  3. Step 3: Cross multiply
    206,112,091.20x = 309,161,050.72 × 52,759,476.16
  4. Step 4: Simplify right side
    206,112,091.20x = 16,311,175,085,062,392
  5. Step 5: Solve for x
    x = 16,311,175,085,062,392/206,112,091.20
  6. Step 6: Final answer
    x = 79,137,400.38

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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.