Home / 111,081,743.42-166,690,719.76-49,722,783.45

Finding the Fourth Proportional to 111,081,743.42, 166,690,719.76 and 49,722,783.45

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Solution

The fourth proportional to 111,081,743.42, 166,690,719.76 and 49,722,783.45 is: 74,614,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,081,743.42 : 166,690,719.76 = 49,722,783.45 : x
  2. Step 2: Convert to fraction form
    111,081,743.42/166,690,719.76 = 49,722,783.45/x
  3. Step 3: Cross multiply
    111,081,743.42x = 166,690,719.76 × 49,722,783.45
  4. Step 4: Simplify right side
    111,081,743.42x = 8,288,326,561,626,809
  5. Step 5: Solve for x
    x = 8,288,326,561,626,809/111,081,743.42
  6. Step 6: Final answer
    x = 74,614,660.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.