Finding the Fourth Proportional to 303,613,965.12, 455,420,937.99 and 73,583,050.08
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Solution
The fourth proportional to 303,613,965.12, 455,420,937.99 and 73,583,050.08 is: 110,374,572.77
Step by Step Solution
- Step 1: Write the proportion equation
303,613,965.12 : 455,420,937.99 = 73,583,050.08 : x - Step 2: Convert to fraction form
303,613,965.12/455,420,937.99 = 73,583,050.08/x - Step 3: Cross multiply
303,613,965.12x = 455,420,937.99 × 73,583,050.08 - Step 4: Simplify right side
303,613,965.12x = 33,511,261,687,598,744 - Step 5: Solve for x
x = 33,511,261,687,598,744/303,613,965.12 - Step 6: Final answer
x = 110,374,572.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.