Home / 122,102,455.40-168,464,644.26-73,192,037.48

Finding the Fourth Proportional to 122,102,455.40, 168,464,644.26 and 73,192,037.48

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Solution

The fourth proportional to 122,102,455.40, 168,464,644.26 and 73,192,037.48 is: 100,982,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,102,455.40 : 168,464,644.26 = 73,192,037.48 : x
  2. Step 2: Convert to fraction form
    122,102,455.40/168,464,644.26 = 73,192,037.48/x
  3. Step 3: Cross multiply
    122,102,455.40x = 168,464,644.26 × 73,192,037.48
  4. Step 4: Simplify right side
    122,102,455.40x = 12,330,270,556,732,786
  5. Step 5: Solve for x
    x = 12,330,270,556,732,786/122,102,455.40
  6. Step 6: Final answer
    x = 100,982,986.10

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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.