Home / 263,047,024.82-362,990,124.70-143,969,374.54

Finding the Fourth Proportional to 263,047,024.82, 362,990,124.70 and 143,969,374.54

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Solution

The fourth proportional to 263,047,024.82, 362,990,124.70 and 143,969,374.54 is: 198,669,653.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,047,024.82 : 362,990,124.70 = 143,969,374.54 : x
  2. Step 2: Convert to fraction form
    263,047,024.82/362,990,124.70 = 143,969,374.54/x
  3. Step 3: Cross multiply
    263,047,024.82x = 362,990,124.70 × 143,969,374.54
  4. Step 4: Simplify right side
    263,047,024.82x = 52,259,461,215,918,400
  5. Step 5: Solve for x
    x = 52,259,461,215,918,400/263,047,024.82
  6. Step 6: Final answer
    x = 198,669,653.27

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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.