Finding the Fourth Proportional to 122,379,992.20, 183,516,844.20 and 40,467,219.40
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Solution
The fourth proportional to 122,379,992.20, 183,516,844.20 and 40,467,219.40 is: 60,683,256.02
Step by Step Solution
- Step 1: Write the proportion equation
122,379,992.20 : 183,516,844.20 = 40,467,219.40 : x - Step 2: Convert to fraction form
122,379,992.20/183,516,844.20 = 40,467,219.40/x - Step 3: Cross multiply
122,379,992.20x = 183,516,844.20 × 40,467,219.40 - Step 4: Simplify right side
122,379,992.20x = 7,426,416,397,837,017 - Step 5: Solve for x
x = 7,426,416,397,837,017/122,379,992.20 - Step 6: Final answer
x = 60,683,256.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.