Home / 120,303,945.35-166,015,148.71-68,091,859.70

Finding the Fourth Proportional to 120,303,945.35, 166,015,148.71 and 68,091,859.70

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Solution

The fourth proportional to 120,303,945.35, 166,015,148.71 and 68,091,859.70 is: 93,964,334.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,303,945.35 : 166,015,148.71 = 68,091,859.70 : x
  2. Step 2: Convert to fraction form
    120,303,945.35/166,015,148.71 = 68,091,859.70/x
  3. Step 3: Cross multiply
    120,303,945.35x = 166,015,148.71 × 68,091,859.70
  4. Step 4: Simplify right side
    120,303,945.35x = 11,304,280,213,695,498
  5. Step 5: Solve for x
    x = 11,304,280,213,695,498/120,303,945.35
  6. Step 6: Final answer
    x = 93,964,334.93

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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.