Home / 122,223,156.42-168,671,147.13-67,220,456.34

Finding the Fourth Proportional to 122,223,156.42, 168,671,147.13 and 67,220,456.34

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Solution

The fourth proportional to 122,223,156.42, 168,671,147.13 and 67,220,456.34 is: 92,765,984.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,223,156.42 : 168,671,147.13 = 67,220,456.34 : x
  2. Step 2: Convert to fraction form
    122,223,156.42/168,671,147.13 = 67,220,456.34/x
  3. Step 3: Cross multiply
    122,223,156.42x = 168,671,147.13 × 67,220,456.34
  4. Step 4: Simplify right side
    122,223,156.42x = 11,338,151,481,469,882
  5. Step 5: Solve for x
    x = 11,338,151,481,469,882/122,223,156.42
  6. Step 6: Final answer
    x = 92,765,984.89

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1.5x scale

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.