Finding the Fourth Proportional to 292,314,427.62, 403,342,639.74 and 166,809,321.06
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Solution
The fourth proportional to 292,314,427.62, 403,342,639.74 and 166,809,321.06 is: 230,167,605.61
Step by Step Solution
- Step 1: Write the proportion equation
292,314,427.62 : 403,342,639.74 = 166,809,321.06 : x - Step 2: Convert to fraction form
292,314,427.62/403,342,639.74 = 166,809,321.06/x - Step 3: Cross multiply
292,314,427.62x = 403,342,639.74 × 166,809,321.06 - Step 4: Simplify right side
292,314,427.62x = 67,281,311,889,577,576 - Step 5: Solve for x
x = 67,281,311,889,577,576/292,314,427.62 - Step 6: Final answer
x = 230,167,605.61
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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.