Finding the Fourth Proportional to 136,230,008.10, 188,153,802.09 and 99,225,151.62
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Solution
The fourth proportional to 136,230,008.10, 188,153,802.09 and 99,225,151.62 is: 137,044,618.88
Step by Step Solution
- Step 1: Write the proportion equation
136,230,008.10 : 188,153,802.09 = 99,225,151.62 : x - Step 2: Convert to fraction form
136,230,008.10/188,153,802.09 = 99,225,151.62/x - Step 3: Cross multiply
136,230,008.10x = 188,153,802.09 × 99,225,151.62 - Step 4: Simplify right side
136,230,008.10x = 18,669,589,540,259,724 - Step 5: Solve for x
x = 18,669,589,540,259,724/136,230,008.10 - Step 6: Final answer
x = 137,044,618.88
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1.5x scale
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.