Finding the Fourth Proportional to 236,873,691.12, 326,860,527.96 and 131,010,283.98
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Solution
The fourth proportional to 236,873,691.12, 326,860,527.96 and 131,010,283.98 is: 180,780,273.18
Step by Step Solution
- Step 1: Write the proportion equation
236,873,691.12 : 326,860,527.96 = 131,010,283.98 : x - Step 2: Convert to fraction form
236,873,691.12/326,860,527.96 = 131,010,283.98/x - Step 3: Cross multiply
236,873,691.12x = 326,860,527.96 × 131,010,283.98 - Step 4: Simplify right side
236,873,691.12x = 42,822,090,589,892,328 - Step 5: Solve for x
x = 42,822,090,589,892,328/236,873,691.12 - Step 6: Final answer
x = 180,780,273.18
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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.