Finding the Fourth Proportional to 197,988,550.79, 296,994,175.43 and 52,418,329.53
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Solution
The fourth proportional to 197,988,550.79, 296,994,175.43 and 52,418,329.53 is: 78,630,499.06
Step by Step Solution
- Step 1: Write the proportion equation
197,988,550.79 : 296,994,175.43 = 52,418,329.53 : x - Step 2: Convert to fraction form
197,988,550.79/296,994,175.43 = 52,418,329.53/x - Step 3: Cross multiply
197,988,550.79x = 296,994,175.43 × 52,418,329.53 - Step 4: Simplify right side
197,988,550.79x = 15,567,938,555,918,278 - Step 5: Solve for x
x = 15,567,938,555,918,278/197,988,550.79 - Step 6: Final answer
x = 78,630,499.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.