Home / 196,532,210.12-294,836,100.78-75,354,212.04

Finding the Fourth Proportional to 196,532,210.12, 294,836,100.78 and 75,354,212.04

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Solution

The fourth proportional to 196,532,210.12, 294,836,100.78 and 75,354,212.04 is: 113,045,805.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,532,210.12 : 294,836,100.78 = 75,354,212.04 : x
  2. Step 2: Convert to fraction form
    196,532,210.12/294,836,100.78 = 75,354,212.04/x
  3. Step 3: Cross multiply
    196,532,210.12x = 294,836,100.78 × 75,354,212.04
  4. Step 4: Simplify right side
    196,532,210.12x = 22,217,142,055,222,928
  5. Step 5: Solve for x
    x = 22,217,142,055,222,928/196,532,210.12
  6. Step 6: Final answer
    x = 113,045,805.78

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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.