Finding the Fourth Proportional to 190,277,408.81, 285,422,018.11 and 90,545,197.84
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Solution
The fourth proportional to 190,277,408.81, 285,422,018.11 and 90,545,197.84 is: 135,820,606.66
Step by Step Solution
- Step 1: Write the proportion equation
190,277,408.81 : 285,422,018.11 = 90,545,197.84 : x - Step 2: Convert to fraction form
190,277,408.81/285,422,018.11 = 90,545,197.84/x - Step 3: Cross multiply
190,277,408.81x = 285,422,018.11 × 90,545,197.84 - Step 4: Simplify right side
190,277,408.81x = 25,843,593,098,315,204 - Step 5: Solve for x
x = 25,843,593,098,315,204/190,277,408.81 - Step 6: Final answer
x = 135,820,606.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.