Finding the Fourth Proportional to 292,314,445.68, 403,342,664.52 and 166,809,339.12
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Solution
The fourth proportional to 292,314,445.68, 403,342,664.52 and 166,809,339.12 is: 230,167,630.45
Step by Step Solution
- Step 1: Write the proportion equation
292,314,445.68 : 403,342,664.52 = 166,809,339.12 : x - Step 2: Convert to fraction form
292,314,445.68/403,342,664.52 = 166,809,339.12/x - Step 3: Cross multiply
292,314,445.68x = 403,342,664.52 × 166,809,339.12 - Step 4: Simplify right side
292,314,445.68x = 67,281,323,307,481,072 - Step 5: Solve for x
x = 67,281,323,307,481,072/292,314,445.68 - Step 6: Final answer
x = 230,167,630.45
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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.