Home / 76,521,761.89-114,782,725.97-19,014,033.26

Finding the Fourth Proportional to 76,521,761.89, 114,782,725.97 and 19,014,033.26

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Solution

The fourth proportional to 76,521,761.89, 114,782,725.97 and 19,014,033.26 is: 28,521,070.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,521,761.89 : 114,782,725.97 = 19,014,033.26 : x
  2. Step 2: Convert to fraction form
    76,521,761.89/114,782,725.97 = 19,014,033.26/x
  3. Step 3: Cross multiply
    76,521,761.89x = 114,782,725.97 × 19,014,033.26
  4. Step 4: Simplify right side
    76,521,761.89x = 2,182,482,569,267,046
  5. Step 5: Solve for x
    x = 2,182,482,569,267,046/76,521,761.89
  6. Step 6: Final answer
    x = 28,521,070.55

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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.