Home / 215,889,965.12-323,759,176.31-60,401,990.69

Finding the Fourth Proportional to 215,889,965.12, 323,759,176.31 and 60,401,990.69

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Solution

The fourth proportional to 215,889,965.12, 323,759,176.31 and 60,401,990.69 is: 90,581,786.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,889,965.12 : 323,759,176.31 = 60,401,990.69 : x
  2. Step 2: Convert to fraction form
    215,889,965.12/323,759,176.31 = 60,401,990.69/x
  3. Step 3: Cross multiply
    215,889,965.12x = 323,759,176.31 × 60,401,990.69
  4. Step 4: Simplify right side
    215,889,965.12x = 19,555,698,751,357,884
  5. Step 5: Solve for x
    x = 19,555,698,751,357,884/215,889,965.12
  6. Step 6: Final answer
    x = 90,581,786.61

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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.