Home / 259,178,500.25-357,673,795.31-143,292,461.21

Finding the Fourth Proportional to 259,178,500.25, 357,673,795.31 and 143,292,461.21

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Solution

The fourth proportional to 259,178,500.25, 357,673,795.31 and 143,292,461.21 is: 197,747,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,178,500.25 : 357,673,795.31 = 143,292,461.21 : x
  2. Step 2: Convert to fraction form
    259,178,500.25/357,673,795.31 = 143,292,461.21/x
  3. Step 3: Cross multiply
    259,178,500.25x = 357,673,795.31 × 143,292,461.21
  4. Step 4: Simplify right side
    259,178,500.25x = 51,251,958,439,575,200
  5. Step 5: Solve for x
    x = 51,251,958,439,575,200/259,178,500.25
  6. Step 6: Final answer
    x = 197,747,723.64

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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.