Home / 126,077,908.80-188,969,896.80-57,927,489.60

Finding the Fourth Proportional to 126,077,908.80, 188,969,896.80 and 57,927,489.60

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Solution

The fourth proportional to 126,077,908.80, 188,969,896.80 and 57,927,489.60 is: 86,823,709.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,077,908.80 : 188,969,896.80 = 57,927,489.60 : x
  2. Step 2: Convert to fraction form
    126,077,908.80/188,969,896.80 = 57,927,489.60/x
  3. Step 3: Cross multiply
    126,077,908.80x = 188,969,896.80 × 57,927,489.60
  4. Step 4: Simplify right side
    126,077,908.80x = 10,946,551,731,595,074
  5. Step 5: Solve for x
    x = 10,946,551,731,595,074/126,077,908.80
  6. Step 6: Final answer
    x = 86,823,709.53

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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.