Home / 218,958,558.49-302,150,516.70-119,839,103.92

Finding the Fourth Proportional to 218,958,558.49, 302,150,516.70 and 119,839,103.92

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Solution

The fourth proportional to 218,958,558.49, 302,150,516.70 and 119,839,103.92 is: 165,371,234.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,958,558.49 : 302,150,516.70 = 119,839,103.92 : x
  2. Step 2: Convert to fraction form
    218,958,558.49/302,150,516.70 = 119,839,103.92/x
  3. Step 3: Cross multiply
    218,958,558.49x = 302,150,516.70 × 119,839,103.92
  4. Step 4: Simplify right side
    218,958,558.49x = 36,209,447,168,782,240
  5. Step 5: Solve for x
    x = 36,209,447,168,782,240/218,958,558.49
  6. Step 6: Final answer
    x = 165,371,234.72

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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.