Home / 219,921,357.49-303,473,404.34-120,796,982.17

Finding the Fourth Proportional to 219,921,357.49, 303,473,404.34 and 120,796,982.17

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Solution

The fourth proportional to 219,921,357.49, 303,473,404.34 and 120,796,982.17 is: 166,689,910.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,921,357.49 : 303,473,404.34 = 120,796,982.17 : x
  2. Step 2: Convert to fraction form
    219,921,357.49/303,473,404.34 = 120,796,982.17/x
  3. Step 3: Cross multiply
    219,921,357.49x = 303,473,404.34 × 120,796,982.17
  4. Step 4: Simplify right side
    219,921,357.49x = 36,658,671,412,217,296
  5. Step 5: Solve for x
    x = 36,658,671,412,217,296/219,921,357.49
  6. Step 6: Final answer
    x = 166,689,910.57

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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.