Finding the Fourth Proportional to 66,407,719.38, 99,407,274.66 and 43,328,959.62
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Solution
The fourth proportional to 66,407,719.38, 99,407,274.66 and 43,328,959.62 is: 64,860,137.19
Step by Step Solution
- Step 1: Write the proportion equation
66,407,719.38 : 99,407,274.66 = 43,328,959.62 : x - Step 2: Convert to fraction form
66,407,719.38/99,407,274.66 = 43,328,959.62/x - Step 3: Cross multiply
66,407,719.38x = 99,407,274.66 × 43,328,959.62 - Step 4: Simplify right side
66,407,719.38x = 4,307,213,789,677,389 - Step 5: Solve for x
x = 4,307,213,789,677,389/66,407,719.38 - Step 6: Final answer
x = 64,860,137.19
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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.