Finding the Fourth Proportional to 183,078,652.85, 252,714,837.36 and 121,218,920.45
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Solution
The fourth proportional to 183,078,652.85, 252,714,837.36 and 121,218,920.45 is: 167,326,006.00
Step by Step Solution
- Step 1: Write the proportion equation
183,078,652.85 : 252,714,837.36 = 121,218,920.45 : x - Step 2: Convert to fraction form
183,078,652.85/252,714,837.36 = 121,218,920.45/x - Step 3: Cross multiply
183,078,652.85x = 252,714,837.36 × 121,218,920.45 - Step 4: Simplify right side
183,078,652.85x = 30,633,819,765,212,952 - Step 5: Solve for x
x = 30,633,819,765,212,952/183,078,652.85 - Step 6: Final answer
x = 167,326,006.00
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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.