Finding the Fourth Proportional to 292,314,427.12, 403,342,639.05 and 166,809,320.56
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Solution
The fourth proportional to 292,314,427.12, 403,342,639.05 and 166,809,320.56 is: 230,167,604.92
Step by Step Solution
- Step 1: Write the proportion equation
292,314,427.12 : 403,342,639.05 = 166,809,320.56 : x - Step 2: Convert to fraction form
292,314,427.12/403,342,639.05 = 166,809,320.56/x - Step 3: Cross multiply
292,314,427.12x = 403,342,639.05 × 166,809,320.56 - Step 4: Simplify right side
292,314,427.12x = 67,281,311,572,807,824 - Step 5: Solve for x
x = 67,281,311,572,807,824/292,314,427.12 - Step 6: Final answer
x = 230,167,604.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.