Finding the Fourth Proportional to 135,060,066.08, 186,382,324.32 and 73,180,650.80
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Solution
The fourth proportional to 135,060,066.08, 186,382,324.32 and 73,180,650.80 is: 100,988,990.95
Step by Step Solution
- Step 1: Write the proportion equation
135,060,066.08 : 186,382,324.32 = 73,180,650.80 : x - Step 2: Convert to fraction form
135,060,066.08/186,382,324.32 = 73,180,650.80/x - Step 3: Cross multiply
135,060,066.08x = 186,382,324.32 × 73,180,650.80 - Step 4: Simplify right side
135,060,066.08x = 13,639,579,791,354,266 - Step 5: Solve for x
x = 13,639,579,791,354,266/135,060,066.08 - Step 6: Final answer
x = 100,988,990.95
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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.