Home / 223,982,833.34-309,114,707.42-123,530,919.86

Finding the Fourth Proportional to 223,982,833.34, 309,114,707.42 and 123,530,919.86

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Solution

The fourth proportional to 223,982,833.34, 309,114,707.42 and 123,530,919.86 is: 170,482,815.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,982,833.34 : 309,114,707.42 = 123,530,919.86 : x
  2. Step 2: Convert to fraction form
    223,982,833.34/309,114,707.42 = 123,530,919.86/x
  3. Step 3: Cross multiply
    223,982,833.34x = 309,114,707.42 × 123,530,919.86
  4. Step 4: Simplify right side
    223,982,833.34x = 38,185,224,150,928,984
  5. Step 5: Solve for x
    x = 38,185,224,150,928,984/223,982,833.34
  6. Step 6: Final answer
    x = 170,482,815.94

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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.