Finding the Fourth Proportional to 183,130,853.86, 252,720,518.97 and 100,629,953.02
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Solution
The fourth proportional to 183,130,853.86, 252,720,518.97 and 100,629,953.02 is: 138,869,302.55
Step by Step Solution
- Step 1: Write the proportion equation
183,130,853.86 : 252,720,518.97 = 100,629,953.02 : x - Step 2: Convert to fraction form
183,130,853.86/252,720,518.97 = 100,629,953.02/x - Step 3: Cross multiply
183,130,853.86x = 252,720,518.97 × 100,629,953.02 - Step 4: Simplify right side
183,130,853.86x = 25,431,253,951,141,116 - Step 5: Solve for x
x = 25,431,253,951,141,116/183,130,853.86 - Step 6: Final answer
x = 138,869,302.55
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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.