Home / 169,947,124.92-253,953,224.16-127,605,789.36

Finding the Fourth Proportional to 169,947,124.92, 253,953,224.16 and 127,605,789.36

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Solution

The fourth proportional to 169,947,124.92, 253,953,224.16 and 127,605,789.36 is: 190,682,258.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,947,124.92 : 253,953,224.16 = 127,605,789.36 : x
  2. Step 2: Convert to fraction form
    169,947,124.92/253,953,224.16 = 127,605,789.36/x
  3. Step 3: Cross multiply
    169,947,124.92x = 253,953,224.16 × 127,605,789.36
  4. Step 4: Simplify right side
    169,947,124.92x = 32,405,901,629,453,824
  5. Step 5: Solve for x
    x = 32,405,901,629,453,824/169,947,124.92
  6. Step 6: Final answer
    x = 190,682,258.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.