Finding the Fourth Proportional to 146,862,714.67, 202,660,555.16 and 84,992,353.45
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Solution
The fourth proportional to 146,862,714.67, 202,660,555.16 and 84,992,353.45 is: 117,283,665.72
Step by Step Solution
- Step 1: Write the proportion equation
146,862,714.67 : 202,660,555.16 = 84,992,353.45 : x - Step 2: Convert to fraction form
146,862,714.67/202,660,555.16 = 84,992,353.45/x - Step 3: Cross multiply
146,862,714.67x = 202,660,555.16 × 84,992,353.45 - Step 4: Simplify right side
146,862,714.67x = 17,224,597,534,557,712 - Step 5: Solve for x
x = 17,224,597,534,557,712/146,862,714.67 - Step 6: Final answer
x = 117,283,665.72
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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.