Home / 91,112,010.40-136,680,003.60-33,644,648.80

Finding the Fourth Proportional to 91,112,010.40, 136,680,003.60 and 33,644,648.80

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Solution

The fourth proportional to 91,112,010.40, 136,680,003.60 and 33,644,648.80 is: 50,471,399.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,112,010.40 : 136,680,003.60 = 33,644,648.80 : x
  2. Step 2: Convert to fraction form
    91,112,010.40/136,680,003.60 = 33,644,648.80/x
  3. Step 3: Cross multiply
    91,112,010.40x = 136,680,003.60 × 33,644,648.80
  4. Step 4: Simplify right side
    91,112,010.40x = 4,598,550,719,104,735
  5. Step 5: Solve for x
    x = 4,598,550,719,104,735/91,112,010.40
  6. Step 6: Final answer
    x = 50,471,399.97

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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.