Home / 84,181,836.36-116,190,347.34-49,385,705.16

Finding the Fourth Proportional to 84,181,836.36, 116,190,347.34 and 49,385,705.16

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Solution

The fourth proportional to 84,181,836.36, 116,190,347.34 and 49,385,705.16 is: 68,163,661.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,181,836.36 : 116,190,347.34 = 49,385,705.16 : x
  2. Step 2: Convert to fraction form
    84,181,836.36/116,190,347.34 = 49,385,705.16/x
  3. Step 3: Cross multiply
    84,181,836.36x = 116,190,347.34 × 49,385,705.16
  4. Step 4: Simplify right side
    84,181,836.36x = 5,738,142,236,171,230
  5. Step 5: Solve for x
    x = 5,738,142,236,171,230/84,181,836.36
  6. Step 6: Final answer
    x = 68,163,661.95

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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.