Home / 81,595,406.70-122,286,821.85-33,033,509.10

Finding the Fourth Proportional to 81,595,406.70, 122,286,821.85 and 33,033,509.10

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Solution

The fourth proportional to 81,595,406.70, 122,286,821.85 and 33,033,509.10 is: 49,507,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,595,406.70 : 122,286,821.85 = 33,033,509.10 : x
  2. Step 2: Convert to fraction form
    81,595,406.70/122,286,821.85 = 33,033,509.10/x
  3. Step 3: Cross multiply
    81,595,406.70x = 122,286,821.85 × 33,033,509.10
  4. Step 4: Simplify right side
    81,595,406.70x = 4,039,562,842,392,054
  5. Step 5: Solve for x
    x = 4,039,562,842,392,054/81,595,406.70
  6. Step 6: Final answer
    x = 49,507,233.38

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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.