Home / 215,889,963.62-323,759,174.06-60,401,989.19

Finding the Fourth Proportional to 215,889,963.62, 323,759,174.06 and 60,401,989.19

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Solution

The fourth proportional to 215,889,963.62, 323,759,174.06 and 60,401,989.19 is: 90,581,784.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,889,963.62 : 323,759,174.06 = 60,401,989.19 : x
  2. Step 2: Convert to fraction form
    215,889,963.62/323,759,174.06 = 60,401,989.19/x
  3. Step 3: Cross multiply
    215,889,963.62x = 323,759,174.06 × 60,401,989.19
  4. Step 4: Simplify right side
    215,889,963.62x = 19,555,698,129,814,644
  5. Step 5: Solve for x
    x = 19,555,698,129,814,644/215,889,963.62
  6. Step 6: Final answer
    x = 90,581,784.36

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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.