Home / 259,757,821.94-389,686,862.52-84,833,829.86

Finding the Fourth Proportional to 259,757,821.94, 389,686,862.52 and 84,833,829.86

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Solution

The fourth proportional to 259,757,821.94, 389,686,862.52 and 84,833,829.86 is: 127,267,116.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,757,821.94 : 389,686,862.52 = 84,833,829.86 : x
  2. Step 2: Convert to fraction form
    259,757,821.94/389,686,862.52 = 84,833,829.86/x
  3. Step 3: Cross multiply
    259,757,821.94x = 389,686,862.52 × 84,833,829.86
  4. Step 4: Simplify right side
    259,757,821.94x = 33,058,628,993,942,444
  5. Step 5: Solve for x
    x = 33,058,628,993,942,444/259,757,821.94
  6. Step 6: Final answer
    x = 127,267,116.53

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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.