Home / 81,629,539.32-112,648,879.26-44,459,965.56

Finding the Fourth Proportional to 81,629,539.32, 112,648,879.26 and 44,459,965.56

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Solution

The fourth proportional to 81,629,539.32, 112,648,879.26 and 44,459,965.56 is: 61,354,815.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,629,539.32 : 112,648,879.26 = 44,459,965.56 : x
  2. Step 2: Convert to fraction form
    81,629,539.32/112,648,879.26 = 44,459,965.56/x
  3. Step 3: Cross multiply
    81,629,539.32x = 112,648,879.26 × 44,459,965.56
  4. Step 4: Simplify right side
    81,629,539.32x = 5,008,365,292,272,199
  5. Step 5: Solve for x
    x = 5,008,365,292,272,199/81,629,539.32
  6. Step 6: Final answer
    x = 61,354,815.11

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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.