Finding the Fourth Proportional to 138,229,564.82, 207,375,273.84 and 51,968,719.04
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Solution
The fourth proportional to 138,229,564.82, 207,375,273.84 and 51,968,719.04 is: 77,964,705.71
Step by Step Solution
- Step 1: Write the proportion equation
138,229,564.82 : 207,375,273.84 = 51,968,719.04 : x - Step 2: Convert to fraction form
138,229,564.82/207,375,273.84 = 51,968,719.04/x - Step 3: Cross multiply
138,229,564.82x = 207,375,273.84 × 51,968,719.04 - Step 4: Simplify right side
138,229,564.82x = 10,777,027,342,034,022 - Step 5: Solve for x
x = 10,777,027,342,034,022/138,229,564.82 - Step 6: Final answer
x = 77,964,705.71
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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.