Home / 217,824,213.88-300,597,477.60-118,704,989.08

Finding the Fourth Proportional to 217,824,213.88, 300,597,477.60 and 118,704,989.08

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Solution

The fourth proportional to 217,824,213.88, 300,597,477.60 and 118,704,989.08 is: 163,812,918.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,824,213.88 : 300,597,477.60 = 118,704,989.08 : x
  2. Step 2: Convert to fraction form
    217,824,213.88/300,597,477.60 = 118,704,989.08/x
  3. Step 3: Cross multiply
    217,824,213.88x = 300,597,477.60 × 118,704,989.08
  4. Step 4: Simplify right side
    217,824,213.88x = 35,682,420,295,983,548
  5. Step 5: Solve for x
    x = 35,682,420,295,983,548/217,824,213.88
  6. Step 6: Final answer
    x = 163,812,918.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.