Home / 194,049,749.42-290,610,594.97-111,919,631.96

Finding the Fourth Proportional to 194,049,749.42, 290,610,594.97 and 111,919,631.96

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Solution

The fourth proportional to 194,049,749.42, 290,610,594.97 and 111,919,631.96 is: 167,611,815.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,049,749.42 : 290,610,594.97 = 111,919,631.96 : x
  2. Step 2: Convert to fraction form
    194,049,749.42/290,610,594.97 = 111,919,631.96/x
  3. Step 3: Cross multiply
    194,049,749.42x = 290,610,594.97 × 111,919,631.96
  4. Step 4: Simplify right side
    194,049,749.42x = 32,525,030,830,986,172
  5. Step 5: Solve for x
    x = 32,525,030,830,986,172/194,049,749.42
  6. Step 6: Final answer
    x = 167,611,815.67

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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.