Home / 205,608,865.80-308,434,922.08-60,042,835.92

Finding the Fourth Proportional to 205,608,865.80, 308,434,922.08 and 60,042,835.92

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Solution

The fourth proportional to 205,608,865.80, 308,434,922.08 and 60,042,835.92 is: 90,070,568.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,608,865.80 : 308,434,922.08 = 60,042,835.92 : x
  2. Step 2: Convert to fraction form
    205,608,865.80/308,434,922.08 = 60,042,835.92/x
  3. Step 3: Cross multiply
    205,608,865.80x = 308,434,922.08 × 60,042,835.92
  4. Step 4: Simplify right side
    205,608,865.80x = 18,519,307,418,447,424
  5. Step 5: Solve for x
    x = 18,519,307,418,447,424/205,608,865.80
  6. Step 6: Final answer
    x = 90,070,568.44

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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.