Home / 122,217,735.69-168,657,108.71-67,213,586.25

Finding the Fourth Proportional to 122,217,735.69, 168,657,108.71 and 67,213,586.25

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Solution

The fourth proportional to 122,217,735.69, 168,657,108.71 and 67,213,586.25 is: 92,752,897.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,217,735.69 : 168,657,108.71 = 67,213,586.25 : x
  2. Step 2: Convert to fraction form
    122,217,735.69/168,657,108.71 = 67,213,586.25/x
  3. Step 3: Cross multiply
    122,217,735.69x = 168,657,108.71 × 67,213,586.25
  4. Step 4: Simplify right side
    122,217,735.69x = 11,336,049,122,619,144
  5. Step 5: Solve for x
    x = 11,336,049,122,619,144/122,217,735.69
  6. Step 6: Final answer
    x = 92,752,897.59

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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.