Home / 222,405,722.47-306,922,393.64-127,048,859.85

Finding the Fourth Proportional to 222,405,722.47, 306,922,393.64 and 127,048,859.85

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Solution

The fourth proportional to 222,405,722.47, 306,922,393.64 and 127,048,859.85 is: 175,328,852.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,405,722.47 : 306,922,393.64 = 127,048,859.85 : x
  2. Step 2: Convert to fraction form
    222,405,722.47/306,922,393.64 = 127,048,859.85/x
  3. Step 3: Cross multiply
    222,405,722.47x = 306,922,393.64 × 127,048,859.85
  4. Step 4: Simplify right side
    222,405,722.47x = 38,994,140,174,394,888
  5. Step 5: Solve for x
    x = 38,994,140,174,394,888/222,405,722.47
  6. Step 6: Final answer
    x = 175,328,852.79

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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.