Home / 139,918,526,824.44-209,898,775,557.01-49,143,943,629.72

Finding the Fourth Proportional to 139,918,526,824.44, 209,898,775,557.01 and 49,143,943,629.72

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Solution

The fourth proportional to 139,918,526,824.44, 209,898,775,557.01 and 49,143,943,629.72 is: 73,723,286,172.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,918,526,824.44 : 209,898,775,557.01 = 49,143,943,629.72 : x
  2. Step 2: Convert to fraction form
    139,918,526,824.44/209,898,775,557.01 = 49,143,943,629.72/x
  3. Step 3: Cross multiply
    139,918,526,824.44x = 209,898,775,557.01 × 49,143,943,629.72
  4. Step 4: Simplify right side
    139,918,526,824.44x = 10,315,253,593,920,950,501,376
  5. Step 5: Solve for x
    x = 10,315,253,593,920,950,501,376/139,918,526,824.44
  6. Step 6: Final answer
    x = 73,723,286,172.56

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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.