Home / 118,237,521.42-163,244,556.39-105,826,121.46

Finding the Fourth Proportional to 118,237,521.42, 163,244,556.39 and 105,826,121.46

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Solution

The fourth proportional to 118,237,521.42, 163,244,556.39 and 105,826,121.46 is: 146,108,765.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,237,521.42 : 163,244,556.39 = 105,826,121.46 : x
  2. Step 2: Convert to fraction form
    118,237,521.42/163,244,556.39 = 105,826,121.46/x
  3. Step 3: Cross multiply
    118,237,521.42x = 163,244,556.39 × 105,826,121.46
  4. Step 4: Simplify right side
    118,237,521.42x = 17,275,538,252,211,956
  5. Step 5: Solve for x
    x = 17,275,538,252,211,956/118,237,521.42
  6. Step 6: Final answer
    x = 146,108,765.18

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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.