Home / 173,945,312,578.36-240,040,768,970.86-100,704,631,896.12

Finding the Fourth Proportional to 173,945,312,578.36, 240,040,768,970.86 and 100,704,631,896.12

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Solution

The fourth proportional to 173,945,312,578.36, 240,040,768,970.86 and 100,704,631,896.12 is: 138,970,213,804.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,945,312,578.36 : 240,040,768,970.86 = 100,704,631,896.12 : x
  2. Step 2: Convert to fraction form
    173,945,312,578.36/240,040,768,970.86 = 100,704,631,896.12/x
  3. Step 3: Cross multiply
    173,945,312,578.36x = 240,040,768,970.86 × 100,704,631,896.12
  4. Step 4: Simplify right side
    173,945,312,578.36x = 24,173,217,279,272,038,694,912
  5. Step 5: Solve for x
    x = 24,173,217,279,272,038,694,912/173,945,312,578.36
  6. Step 6: Final answer
    x = 138,970,213,804.31

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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.