Home / 84,978,038,481.81-117,279,976,435.59-48,365,056,230.81

Finding the Fourth Proportional to 84,978,038,481.81, 117,279,976,435.59 and 48,365,056,230.81

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Solution

The fourth proportional to 84,978,038,481.81, 117,279,976,435.59 and 48,365,056,230.81 is: 66,749,630,332.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,978,038,481.81 : 117,279,976,435.59 = 48,365,056,230.81 : x
  2. Step 2: Convert to fraction form
    84,978,038,481.81/117,279,976,435.59 = 48,365,056,230.81/x
  3. Step 3: Cross multiply
    84,978,038,481.81x = 117,279,976,435.59 × 48,365,056,230.81
  4. Step 4: Simplify right side
    84,978,038,481.81x = 5,672,252,655,055,381,987,328
  5. Step 5: Solve for x
    x = 5,672,252,655,055,381,987,328/84,978,038,481.81
  6. Step 6: Final answer
    x = 66,749,630,332.66

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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.