Home / 81,311,698.33-121,967,544.15-23,803,969.37

Finding the Fourth Proportional to 81,311,698.33, 121,967,544.15 and 23,803,969.37

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Solution

The fourth proportional to 81,311,698.33, 121,967,544.15 and 23,803,969.37 is: 35,705,953.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,311,698.33 : 121,967,544.15 = 23,803,969.37 : x
  2. Step 2: Convert to fraction form
    81,311,698.33/121,967,544.15 = 23,803,969.37/x
  3. Step 3: Cross multiply
    81,311,698.33x = 121,967,544.15 × 23,803,969.37
  4. Step 4: Simplify right side
    81,311,698.33x = 2,903,311,684,470,885
  5. Step 5: Solve for x
    x = 2,903,311,684,470,885/81,311,698.33
  6. Step 6: Final answer
    x = 35,705,953.07

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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.