Home / 103,629,074.49-143,008,815.60-56,586,474.81

Finding the Fourth Proportional to 103,629,074.49, 143,008,815.60 and 56,586,474.81

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Solution

The fourth proportional to 103,629,074.49, 143,008,815.60 and 56,586,474.81 is: 78,089,713.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,629,074.49 : 143,008,815.60 = 56,586,474.81 : x
  2. Step 2: Convert to fraction form
    103,629,074.49/143,008,815.60 = 56,586,474.81/x
  3. Step 3: Cross multiply
    103,629,074.49x = 143,008,815.60 × 56,586,474.81
  4. Step 4: Simplify right side
    103,629,074.49x = 8,092,364,741,557,335
  5. Step 5: Solve for x
    x = 8,092,364,741,557,335/103,629,074.49
  6. Step 6: Final answer
    x = 78,089,713.54

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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.