Finding the Fourth Proportional to 235,924,841.96, 325,715,941.32 and 209,747,054.75
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Solution
The fourth proportional to 235,924,841.96, 325,715,941.32 and 209,747,054.75 is: 289,575,098.62
Step by Step Solution
- Step 1: Write the proportion equation
235,924,841.96 : 325,715,941.32 = 209,747,054.75 : x - Step 2: Convert to fraction form
235,924,841.96/325,715,941.32 = 209,747,054.75/x - Step 3: Cross multiply
235,924,841.96x = 325,715,941.32 × 209,747,054.75 - Step 4: Simplify right side
235,924,841.96x = 68,317,959,375,365,248 - Step 5: Solve for x
x = 68,317,959,375,365,248/235,924,841.96 - Step 6: Final answer
x = 289,575,098.62
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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.