Finding the Fourth Proportional to 106,876,518.23, 147,488,979.24 and 57,982,896.47
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Solution
The fourth proportional to 106,876,518.23, 147,488,979.24 and 57,982,896.47 is: 80,016,062.98
Step by Step Solution
- Step 1: Write the proportion equation
106,876,518.23 : 147,488,979.24 = 57,982,896.47 : x - Step 2: Convert to fraction form
106,876,518.23/147,488,979.24 = 57,982,896.47/x - Step 3: Cross multiply
106,876,518.23x = 147,488,979.24 × 57,982,896.47 - Step 4: Simplify right side
106,876,518.23x = 8,551,838,213,738,900 - Step 5: Solve for x
x = 8,551,838,213,738,900/106,876,518.23 - Step 6: Final answer
x = 80,016,062.98
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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.