Finding the Fourth Proportional to 106,478,583.36, 146,940,543.08 and 57,586,011.36
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Solution
The fourth proportional to 106,478,583.36, 146,940,543.08 and 57,586,011.36 is: 79,468,748.70
Step by Step Solution
- Step 1: Write the proportion equation
106,478,583.36 : 146,940,543.08 = 57,586,011.36 : x - Step 2: Convert to fraction form
106,478,583.36/146,940,543.08 = 57,586,011.36/x - Step 3: Cross multiply
106,478,583.36x = 146,940,543.08 × 57,586,011.36 - Step 4: Simplify right side
106,478,583.36x = 8,461,719,783,049,450 - Step 5: Solve for x
x = 8,461,719,783,049,450/106,478,583.36 - Step 6: Final answer
x = 79,468,748.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.