Finding the Fourth Proportional to 106,478,707.23, 146,940,714.23 and 57,586,135.23
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Solution
The fourth proportional to 106,478,707.23, 146,940,714.23 and 57,586,135.23 is: 79,468,919.75
Step by Step Solution
- Step 1: Write the proportion equation
106,478,707.23 : 146,940,714.23 = 57,586,135.23 : x - Step 2: Convert to fraction form
106,478,707.23/146,940,714.23 = 57,586,135.23/x - Step 3: Cross multiply
106,478,707.23x = 146,940,714.23 × 57,586,135.23 - Step 4: Simplify right side
106,478,707.23x = 8,461,747,840,153,634 - Step 5: Solve for x
x = 8,461,747,840,153,634/106,478,707.23 - Step 6: Final answer
x = 79,468,919.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.