Home / 205,608,866.30-308,434,922.83-60,042,836.42

Finding the Fourth Proportional to 205,608,866.30, 308,434,922.83 and 60,042,836.42

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Solution

The fourth proportional to 205,608,866.30, 308,434,922.83 and 60,042,836.42 is: 90,070,569.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,608,866.30 : 308,434,922.83 = 60,042,836.42 : x
  2. Step 2: Convert to fraction form
    205,608,866.30/308,434,922.83 = 60,042,836.42/x
  3. Step 3: Cross multiply
    205,608,866.30x = 308,434,922.83 × 60,042,836.42
  4. Step 4: Simplify right side
    205,608,866.30x = 18,519,307,617,697,012
  5. Step 5: Solve for x
    x = 18,519,307,617,697,012/205,608,866.30
  6. Step 6: Final answer
    x = 90,070,569.19

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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.