Home / 144,859,453,043.79-199,906,054,811.96-80,628,798,930.15

Finding the Fourth Proportional to 144,859,453,043.79, 199,906,054,811.96 and 80,628,798,930.15

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Solution

The fourth proportional to 144,859,453,043.79, 199,906,054,811.96 and 80,628,798,930.15 is: 111,267,747,873.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,859,453,043.79 : 199,906,054,811.96 = 80,628,798,930.15 : x
  2. Step 2: Convert to fraction form
    144,859,453,043.79/199,906,054,811.96 = 80,628,798,930.15/x
  3. Step 3: Cross multiply
    144,859,453,043.79x = 199,906,054,811.96 × 80,628,798,930.15
  4. Step 4: Simplify right side
    144,859,453,043.79x = 16,118,185,098,353,066,377,216
  5. Step 5: Solve for x
    x = 16,118,185,098,353,066,377,216/144,859,453,043.79
  6. Step 6: Final answer
    x = 111,267,747,873.39

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1.5x scale

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.