Home / 139,969,231.30-209,953,846.95-49,060,015.30

Finding the Fourth Proportional to 139,969,231.30, 209,953,846.95 and 49,060,015.30

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Solution

The fourth proportional to 139,969,231.30, 209,953,846.95 and 49,060,015.30 is: 73,590,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,969,231.30 : 209,953,846.95 = 49,060,015.30 : x
  2. Step 2: Convert to fraction form
    139,969,231.30/209,953,846.95 = 49,060,015.30/x
  3. Step 3: Cross multiply
    139,969,231.30x = 209,953,846.95 × 49,060,015.30
  4. Step 4: Simplify right side
    139,969,231.30x = 10,300,338,943,660,858
  5. Step 5: Solve for x
    x = 10,300,338,943,660,858/139,969,231.30
  6. Step 6: Final answer
    x = 73,590,022.95

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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.