Home / 127,158,786.73-190,482,795.15-57,976,424.75

Finding the Fourth Proportional to 127,158,786.73, 190,482,795.15 and 57,976,424.75

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Solution

The fourth proportional to 127,158,786.73, 190,482,795.15 and 57,976,424.75 is: 86,848,197.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,158,786.73 : 190,482,795.15 = 57,976,424.75 : x
  2. Step 2: Convert to fraction form
    127,158,786.73/190,482,795.15 = 57,976,424.75/x
  3. Step 3: Cross multiply
    127,158,786.73x = 190,482,795.15 × 57,976,424.75
  4. Step 4: Simplify right side
    127,158,786.73x = 11,043,511,438,370,970
  5. Step 5: Solve for x
    x = 11,043,511,438,370,970/127,158,786.73
  6. Step 6: Final answer
    x = 86,848,197.61

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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.