Home / 122,223,154.42-168,671,144.37-67,220,454.34

Finding the Fourth Proportional to 122,223,154.42, 168,671,144.37 and 67,220,454.34

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Solution

The fourth proportional to 122,223,154.42, 168,671,144.37 and 67,220,454.34 is: 92,765,982.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,223,154.42 : 168,671,144.37 = 67,220,454.34 : x
  2. Step 2: Convert to fraction form
    122,223,154.42/168,671,144.37 = 67,220,454.34/x
  3. Step 3: Cross multiply
    122,223,154.42x = 168,671,144.37 × 67,220,454.34
  4. Step 4: Simplify right side
    122,223,154.42x = 11,338,150,958,599,134
  5. Step 5: Solve for x
    x = 11,338,150,958,599,134/122,223,154.42
  6. Step 6: Final answer
    x = 92,765,982.13

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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.