Finding the Fourth Proportional to 290,995,951.21, 401,514,466.02 and 167,212,713.49
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Solution
The fourth proportional to 290,995,951.21, 401,514,466.02 and 167,212,713.49 is: 230,719,097.94
Step by Step Solution
- Step 1: Write the proportion equation
290,995,951.21 : 401,514,466.02 = 167,212,713.49 : x - Step 2: Convert to fraction form
290,995,951.21/401,514,466.02 = 167,212,713.49/x - Step 3: Cross multiply
290,995,951.21x = 401,514,466.02 × 167,212,713.49 - Step 4: Simplify right side
290,995,951.21x = 67,138,323,367,061,776 - Step 5: Solve for x
x = 67,138,323,367,061,776/290,995,951.21 - Step 6: Final answer
x = 230,719,097.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.