Home / 222,405,721.47-306,922,392.26-127,048,858.85

Finding the Fourth Proportional to 222,405,721.47, 306,922,392.26 and 127,048,858.85

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Solution

The fourth proportional to 222,405,721.47, 306,922,392.26 and 127,048,858.85 is: 175,328,851.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,405,721.47 : 306,922,392.26 = 127,048,858.85 : x
  2. Step 2: Convert to fraction form
    222,405,721.47/306,922,392.26 = 127,048,858.85/x
  3. Step 3: Cross multiply
    222,405,721.47x = 306,922,392.26 × 127,048,858.85
  4. Step 4: Simplify right side
    222,405,721.47x = 38,994,139,692,277,136
  5. Step 5: Solve for x
    x = 38,994,139,692,277,136/222,405,721.47
  6. Step 6: Final answer
    x = 175,328,851.41

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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.