Home / 220,946,819.92-331,515,801.80-118,591,283.32

Finding the Fourth Proportional to 220,946,819.92, 331,515,801.80 and 118,591,283.32

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Solution

The fourth proportional to 220,946,819.92, 331,515,801.80 and 118,591,283.32 is: 177,938,222.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,946,819.92 : 331,515,801.80 = 118,591,283.32 : x
  2. Step 2: Convert to fraction form
    220,946,819.92/331,515,801.80 = 118,591,283.32/x
  3. Step 3: Cross multiply
    220,946,819.92x = 331,515,801.80 × 118,591,283.32
  4. Step 4: Simplify right side
    220,946,819.92x = 39,314,884,376,320,768
  5. Step 5: Solve for x
    x = 39,314,884,376,320,768/220,946,819.92
  6. Step 6: Final answer
    x = 177,938,222.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.