Finding the Fourth Proportional to 106,478,707.48, 146,940,714.57 and 57,586,135.48
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Solution
The fourth proportional to 106,478,707.48, 146,940,714.57 and 57,586,135.48 is: 79,468,920.10
Step by Step Solution
- Step 1: Write the proportion equation
106,478,707.48 : 146,940,714.57 = 57,586,135.48 : x - Step 2: Convert to fraction form
106,478,707.48/146,940,714.57 = 57,586,135.48/x - Step 3: Cross multiply
106,478,707.48x = 146,940,714.57 × 57,586,135.48 - Step 4: Simplify right side
106,478,707.48x = 8,461,747,896,756,029 - Step 5: Solve for x
x = 8,461,747,896,756,029/106,478,707.48 - Step 6: Final answer
x = 79,468,920.10
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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.