Home / 118,850,236.74-164,015,004.78-71,800,769.88

Finding the Fourth Proportional to 118,850,236.74, 164,015,004.78 and 71,800,769.88

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Solution

The fourth proportional to 118,850,236.74, 164,015,004.78 and 71,800,769.88 is: 99,086,076.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,850,236.74 : 164,015,004.78 = 71,800,769.88 : x
  2. Step 2: Convert to fraction form
    118,850,236.74/164,015,004.78 = 71,800,769.88/x
  3. Step 3: Cross multiply
    118,850,236.74x = 164,015,004.78 × 71,800,769.88
  4. Step 4: Simplify right side
    118,850,236.74x = 11,776,403,615,075,880
  5. Step 5: Solve for x
    x = 11,776,403,615,075,880/118,850,236.74
  6. Step 6: Final answer
    x = 99,086,076.21

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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.