Home / 205,481,645.80-308,189,658.81-59,881,149.63

Finding the Fourth Proportional to 205,481,645.80, 308,189,658.81 and 59,881,149.63

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Solution

The fourth proportional to 205,481,645.80, 308,189,658.81 and 59,881,149.63 is: 89,812,163.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,481,645.80 : 308,189,658.81 = 59,881,149.63 : x
  2. Step 2: Convert to fraction form
    205,481,645.80/308,189,658.81 = 59,881,149.63/x
  3. Step 3: Cross multiply
    205,481,645.80x = 308,189,658.81 × 59,881,149.63
  4. Step 4: Simplify right side
    205,481,645.80x = 18,454,751,073,620,260
  5. Step 5: Solve for x
    x = 18,454,751,073,620,260/205,481,645.80
  6. Step 6: Final answer
    x = 89,812,163.04

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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.