Home / 130,177,992.24-179,633,755.49-77,245,578.45

Finding the Fourth Proportional to 130,177,992.24, 179,633,755.49 and 77,245,578.45

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Solution

The fourth proportional to 130,177,992.24, 179,633,755.49 and 77,245,578.45 is: 106,591,852.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,177,992.24 : 179,633,755.49 = 77,245,578.45 : x
  2. Step 2: Convert to fraction form
    130,177,992.24/179,633,755.49 = 77,245,578.45/x
  3. Step 3: Cross multiply
    130,177,992.24x = 179,633,755.49 × 77,245,578.45
  4. Step 4: Simplify right side
    130,177,992.24x = 13,875,913,351,584,686
  5. Step 5: Solve for x
    x = 13,875,913,351,584,686/130,177,992.24
  6. Step 6: Final answer
    x = 106,591,852.53

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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.