Finding the Fourth Proportional to 198,593,603.44, 273,945,050.62 and 124,124,924.84
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Solution
The fourth proportional to 198,593,603.44, 273,945,050.62 and 124,124,924.84 is: 171,221,067.70
Step by Step Solution
- Step 1: Write the proportion equation
198,593,603.44 : 273,945,050.62 = 124,124,924.84 : x - Step 2: Convert to fraction form
198,593,603.44/273,945,050.62 = 124,124,924.84/x - Step 3: Cross multiply
198,593,603.44x = 273,945,050.62 × 124,124,924.84 - Step 4: Simplify right side
198,593,603.44x = 34,003,408,818,497,496 - Step 5: Solve for x
x = 34,003,408,818,497,496/198,593,603.44 - Step 6: Final answer
x = 171,221,067.70
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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.