Home / 131,112,065.10-196,668,097.65-80,093,729.10

Finding the Fourth Proportional to 131,112,065.10, 196,668,097.65 and 80,093,729.10

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Solution

The fourth proportional to 131,112,065.10, 196,668,097.65 and 80,093,729.10 is: 120,140,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,112,065.10 : 196,668,097.65 = 80,093,729.10 : x
  2. Step 2: Convert to fraction form
    131,112,065.10/196,668,097.65 = 80,093,729.10/x
  3. Step 3: Cross multiply
    131,112,065.10x = 196,668,097.65 × 80,093,729.10
  4. Step 4: Simplify right side
    131,112,065.10x = 15,751,881,335,791,446
  5. Step 5: Solve for x
    x = 15,751,881,335,791,446/131,112,065.10
  6. Step 6: Final answer
    x = 120,140,593.65

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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.