Finding the Fourth Proportional to 122,297,946.21, 183,390,232.28 and 45,600,381.09
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Solution
The fourth proportional to 122,297,946.21, 183,390,232.28 and 45,600,381.09 is: 68,379,435.13
Step by Step Solution
- Step 1: Write the proportion equation
122,297,946.21 : 183,390,232.28 = 45,600,381.09 : x - Step 2: Convert to fraction form
122,297,946.21/183,390,232.28 = 45,600,381.09/x - Step 3: Cross multiply
122,297,946.21x = 183,390,232.28 × 45,600,381.09 - Step 4: Simplify right side
122,297,946.21x = 8,362,664,479,923,619 - Step 5: Solve for x
x = 8,362,664,479,923,619/122,297,946.21 - Step 6: Final answer
x = 68,379,435.13
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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.