Home / 77,993,643.42-107,629,912.62-43,185,586.59

Finding the Fourth Proportional to 77,993,643.42, 107,629,912.62 and 43,185,586.59

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Solution

The fourth proportional to 77,993,643.42, 107,629,912.62 and 43,185,586.59 is: 59,595,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,993,643.42 : 107,629,912.62 = 43,185,586.59 : x
  2. Step 2: Convert to fraction form
    77,993,643.42/107,629,912.62 = 43,185,586.59/x
  3. Step 3: Cross multiply
    77,993,643.42x = 107,629,912.62 × 43,185,586.59
  4. Step 4: Simplify right side
    77,993,643.42x = 4,648,060,911,125,144
  5. Step 5: Solve for x
    x = 4,648,060,911,125,144/77,993,643.42
  6. Step 6: Final answer
    x = 59,595,381.20

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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.