Home / 120,303,933.98-166,015,133.01-68,091,848.33

Finding the Fourth Proportional to 120,303,933.98, 166,015,133.01 and 68,091,848.33

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Solution

The fourth proportional to 120,303,933.98, 166,015,133.01 and 68,091,848.33 is: 93,964,319.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,303,933.98 : 166,015,133.01 = 68,091,848.33 : x
  2. Step 2: Convert to fraction form
    120,303,933.98/166,015,133.01 = 68,091,848.33/x
  3. Step 3: Cross multiply
    120,303,933.98x = 166,015,133.01 × 68,091,848.33
  4. Step 4: Simplify right side
    120,303,933.98x = 11,304,277,256,571,620
  5. Step 5: Solve for x
    x = 11,304,277,256,571,620/120,303,933.98
  6. Step 6: Final answer
    x = 93,964,319.23

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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.