Home / 75,694,661.37-104,458,674.72-40,887,352.15

Finding the Fourth Proportional to 75,694,661.37, 104,458,674.72 and 40,887,352.15

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Solution

The fourth proportional to 75,694,661.37, 104,458,674.72 and 40,887,352.15 is: 56,424,568.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,694,661.37 : 104,458,674.72 = 40,887,352.15 : x
  2. Step 2: Convert to fraction form
    75,694,661.37/104,458,674.72 = 40,887,352.15/x
  3. Step 3: Cross multiply
    75,694,661.37x = 104,458,674.72 × 40,887,352.15
  4. Step 4: Simplify right side
    75,694,661.37x = 4,271,038,618,355,074.50
  5. Step 5: Solve for x
    x = 4,271,038,618,355,074.50/75,694,661.37
  6. Step 6: Final answer
    x = 56,424,568.67

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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.