Home / 218,948,572.56-300,539,568.42-193,613,664.72

Finding the Fourth Proportional to 218,948,572.56, 300,539,568.42 and 193,613,664.72

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Solution

The fourth proportional to 218,948,572.56, 300,539,568.42 and 193,613,664.72 is: 265,763,629.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,948,572.56 : 300,539,568.42 = 193,613,664.72 : x
  2. Step 2: Convert to fraction form
    218,948,572.56/300,539,568.42 = 193,613,664.72/x
  3. Step 3: Cross multiply
    218,948,572.56x = 300,539,568.42 × 193,613,664.72
  4. Step 4: Simplify right side
    218,948,572.56x = 58,188,567,235,163,384
  5. Step 5: Solve for x
    x = 58,188,567,235,163,384/218,948,572.56
  6. Step 6: Final answer
    x = 265,763,629.12

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.