Home / 77,922,741,630.81-107,544,672,949.98-43,630,658,109.20

Finding the Fourth Proportional to 77,922,741,630.81, 107,544,672,949.98 and 43,630,658,109.20

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Solution

The fourth proportional to 77,922,741,630.81, 107,544,672,949.98 and 43,630,658,109.20 is: 60,216,629,429.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,922,741,630.81 : 107,544,672,949.98 = 43,630,658,109.20 : x
  2. Step 2: Convert to fraction form
    77,922,741,630.81/107,544,672,949.98 = 43,630,658,109.20/x
  3. Step 3: Cross multiply
    77,922,741,630.81x = 107,544,672,949.98 × 43,630,658,109.20
  4. Step 4: Simplify right side
    77,922,741,630.81x = 4,692,244,856,945,768,923,136
  5. Step 5: Solve for x
    x = 4,692,244,856,945,768,923,136/77,922,741,630.81
  6. Step 6: Final answer
    x = 60,216,629,429.92

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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.