Finding the Fourth Proportional to 138,229,562.82, 207,375,270.84 and 51,968,717.04
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Solution
The fourth proportional to 138,229,562.82, 207,375,270.84 and 51,968,717.04 is: 77,964,702.71
Step by Step Solution
- Step 1: Write the proportion equation
138,229,562.82 : 207,375,270.84 = 51,968,717.04 : x - Step 2: Convert to fraction form
138,229,562.82/207,375,270.84 = 51,968,717.04/x - Step 3: Cross multiply
138,229,562.82x = 207,375,270.84 × 51,968,717.04 - Step 4: Simplify right side
138,229,562.82x = 10,777,026,771,377,324 - Step 5: Solve for x
x = 10,777,026,771,377,324/138,229,562.82 - Step 6: Final answer
x = 77,964,702.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.