Finding the Fourth Proportional to 292,328,157.12, 403,380,309.60 and 161,915,305.92
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Solution
The fourth proportional to 292,328,157.12, 403,380,309.60 and 161,915,305.92 is: 223,425,094.85
Step by Step Solution
- Step 1: Write the proportion equation
292,328,157.12 : 403,380,309.60 = 161,915,305.92 : x - Step 2: Convert to fraction form
292,328,157.12/403,380,309.60 = 161,915,305.92/x - Step 3: Cross multiply
292,328,157.12x = 403,380,309.60 × 161,915,305.92 - Step 4: Simplify right side
292,328,157.12x = 65,313,446,230,988,312 - Step 5: Solve for x
x = 65,313,446,230,988,312/292,328,157.12 - Step 6: Final answer
x = 223,425,094.85
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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.