Home / 104,976,028.80-157,632,004.80-71,047,785.60

Finding the Fourth Proportional to 104,976,028.80, 157,632,004.80 and 71,047,785.60

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Solution

The fourth proportional to 104,976,028.80, 157,632,004.80 and 71,047,785.60 is: 106,685,354.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,028.80 : 157,632,004.80 = 71,047,785.60 : x
  2. Step 2: Convert to fraction form
    104,976,028.80/157,632,004.80 = 71,047,785.60/x
  3. Step 3: Cross multiply
    104,976,028.80x = 157,632,004.80 × 71,047,785.60
  4. Step 4: Simplify right side
    104,976,028.80x = 11,199,404,880,728,570
  5. Step 5: Solve for x
    x = 11,199,404,880,728,570/104,976,028.80
  6. Step 6: Final answer
    x = 106,685,354.83

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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.