Home / 131,112,074.60-196,668,111.90-80,093,738.60

Finding the Fourth Proportional to 131,112,074.60, 196,668,111.90 and 80,093,738.60

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Solution

The fourth proportional to 131,112,074.60, 196,668,111.90 and 80,093,738.60 is: 120,140,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,112,074.60 : 196,668,111.90 = 80,093,738.60 : x
  2. Step 2: Convert to fraction form
    131,112,074.60/196,668,111.90 = 80,093,738.60/x
  3. Step 3: Cross multiply
    131,112,074.60x = 196,668,111.90 × 80,093,738.60
  4. Step 4: Simplify right side
    131,112,074.60x = 15,751,884,345,474,148
  5. Step 5: Solve for x
    x = 15,751,884,345,474,148/131,112,074.60
  6. Step 6: Final answer
    x = 120,140,607.90

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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.