Home / 64,115,911.54-88,431,546.27-40,280,469.22

Finding the Fourth Proportional to 64,115,911.54, 88,431,546.27 and 40,280,469.22

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Solution

The fourth proportional to 64,115,911.54, 88,431,546.27 and 40,280,469.22 is: 55,556,633.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,115,911.54 : 88,431,546.27 = 40,280,469.22 : x
  2. Step 2: Convert to fraction form
    64,115,911.54/88,431,546.27 = 40,280,469.22/x
  3. Step 3: Cross multiply
    64,115,911.54x = 88,431,546.27 × 40,280,469.22
  4. Step 4: Simplify right side
    64,115,911.54x = 3,562,064,177,605,740.50
  5. Step 5: Solve for x
    x = 3,562,064,177,605,740.50/64,115,911.54
  6. Step 6: Final answer
    x = 55,556,633.17

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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.