Home / 215,889,942.51-323,759,142.42-60,401,968.09

Finding the Fourth Proportional to 215,889,942.51, 323,759,142.42 and 60,401,968.09

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Solution

The fourth proportional to 215,889,942.51, 323,759,142.42 and 60,401,968.09 is: 90,581,752.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,889,942.51 : 323,759,142.42 = 60,401,968.09 : x
  2. Step 2: Convert to fraction form
    215,889,942.51/323,759,142.42 = 60,401,968.09/x
  3. Step 3: Cross multiply
    215,889,942.51x = 323,759,142.42 × 60,401,968.09
  4. Step 4: Simplify right side
    215,889,942.51x = 19,555,689,389,703,308
  5. Step 5: Solve for x
    x = 19,555,689,389,703,308/215,889,942.51
  6. Step 6: Final answer
    x = 90,581,752.73

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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.