Home / 196,245,816.20-294,368,724.30-194,902,123.40

Finding the Fourth Proportional to 196,245,816.20, 294,368,724.30 and 194,902,123.40

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Solution

The fourth proportional to 196,245,816.20, 294,368,724.30 and 194,902,123.40 is: 292,353,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,245,816.20 : 294,368,724.30 = 194,902,123.40 : x
  2. Step 2: Convert to fraction form
    196,245,816.20/294,368,724.30 = 194,902,123.40/x
  3. Step 3: Cross multiply
    196,245,816.20x = 294,368,724.30 × 194,902,123.40
  4. Step 4: Simplify right side
    196,245,816.20x = 57,373,089,428,619,184
  5. Step 5: Solve for x
    x = 57,373,089,428,619,184/196,245,816.20
  6. Step 6: Final answer
    x = 292,353,185.10

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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.