Home / 131,112,063.60-196,668,095.40-80,093,727.60

Finding the Fourth Proportional to 131,112,063.60, 196,668,095.40 and 80,093,727.60

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Solution

The fourth proportional to 131,112,063.60, 196,668,095.40 and 80,093,727.60 is: 120,140,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,112,063.60 : 196,668,095.40 = 80,093,727.60 : x
  2. Step 2: Convert to fraction form
    131,112,063.60/196,668,095.40 = 80,093,727.60/x
  3. Step 3: Cross multiply
    131,112,063.60x = 196,668,095.40 × 80,093,727.60
  4. Step 4: Simplify right side
    131,112,063.60x = 15,751,880,860,578,412
  5. Step 5: Solve for x
    x = 15,751,880,860,578,412/131,112,063.60
  6. Step 6: Final answer
    x = 120,140,591.40

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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.