Home / 85,621,324,620.92-118,130,771,054.82-49,479,190,052.51

Finding the Fourth Proportional to 85,621,324,620.92, 118,130,771,054.82 and 49,479,190,052.51

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Solution

The fourth proportional to 85,621,324,620.92, 118,130,771,054.82 and 49,479,190,052.51 is: 68,265,877,664.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,621,324,620.92 : 118,130,771,054.82 = 49,479,190,052.51 : x
  2. Step 2: Convert to fraction form
    85,621,324,620.92/118,130,771,054.82 = 49,479,190,052.51/x
  3. Step 3: Cross multiply
    85,621,324,620.92x = 118,130,771,054.82 × 49,479,190,052.51
  4. Step 4: Simplify right side
    85,621,324,620.92x = 5,845,014,872,071,222,591,488
  5. Step 5: Solve for x
    x = 5,845,014,872,071,222,591,488/85,621,324,620.92
  6. Step 6: Final answer
    x = 68,265,877,664.82

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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.