Home / 99,261,083.07-136,970,698.43-57,436,805.54

Finding the Fourth Proportional to 99,261,083.07, 136,970,698.43 and 57,436,805.54

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Solution

The fourth proportional to 99,261,083.07, 136,970,698.43 and 57,436,805.54 is: 79,257,238.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,261,083.07 : 136,970,698.43 = 57,436,805.54 : x
  2. Step 2: Convert to fraction form
    99,261,083.07/136,970,698.43 = 57,436,805.54/x
  3. Step 3: Cross multiply
    99,261,083.07x = 136,970,698.43 × 57,436,805.54
  4. Step 4: Simplify right side
    99,261,083.07x = 7,867,159,370,017,845
  5. Step 5: Solve for x
    x = 7,867,159,370,017,845/99,261,083.07
  6. Step 6: Final answer
    x = 79,257,238.86

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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.