Home / 139,049,370.08-191,800,847.52-82,494,075.80

Finding the Fourth Proportional to 139,049,370.08, 191,800,847.52 and 82,494,075.80

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Solution

The fourth proportional to 139,049,370.08, 191,800,847.52 and 82,494,075.80 is: 113,790,041.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,049,370.08 : 191,800,847.52 = 82,494,075.80 : x
  2. Step 2: Convert to fraction form
    139,049,370.08/191,800,847.52 = 82,494,075.80/x
  3. Step 3: Cross multiply
    139,049,370.08x = 191,800,847.52 × 82,494,075.80
  4. Step 4: Simplify right side
    139,049,370.08x = 15,822,433,653,819,122
  5. Step 5: Solve for x
    x = 15,822,433,653,819,122/139,049,370.08
  6. Step 6: Final answer
    x = 113,790,041.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.