Home / 139,603,922.20-209,405,883.30-92,790,613.11

Finding the Fourth Proportional to 139,603,922.20, 209,405,883.30 and 92,790,613.11

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Solution

The fourth proportional to 139,603,922.20, 209,405,883.30 and 92,790,613.11 is: 139,185,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,603,922.20 : 209,405,883.30 = 92,790,613.11 : x
  2. Step 2: Convert to fraction form
    139,603,922.20/209,405,883.30 = 92,790,613.11/x
  3. Step 3: Cross multiply
    139,603,922.20x = 209,405,883.30 × 92,790,613.11
  4. Step 4: Simplify right side
    139,603,922.20x = 19,430,900,300,248,112
  5. Step 5: Solve for x
    x = 19,430,900,300,248,112/139,603,922.20
  6. Step 6: Final answer
    x = 139,185,919.67

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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.