Finding the Fourth Proportional to 137,397,330.19, 206,198,165.11 and 55,516,920.44
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Solution
The fourth proportional to 137,397,330.19, 206,198,165.11 and 55,516,920.44 is: 83,316,663.51
Step by Step Solution
- Step 1: Write the proportion equation
137,397,330.19 : 206,198,165.11 = 55,516,920.44 : x - Step 2: Convert to fraction form
137,397,330.19/206,198,165.11 = 55,516,920.44/x - Step 3: Cross multiply
137,397,330.19x = 206,198,165.11 × 55,516,920.44 - Step 4: Simplify right side
137,397,330.19x = 11,447,487,126,582,008 - Step 5: Solve for x
x = 11,447,487,126,582,008/137,397,330.19 - Step 6: Final answer
x = 83,316,663.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.