Finding the Fourth Proportional to 90,453,569.63, 135,614,206.17 and 29,007,751.91
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Solution
The fourth proportional to 90,453,569.63, 135,614,206.17 and 29,007,751.91 is: 43,490,414.63
Step by Step Solution
- Step 1: Write the proportion equation
90,453,569.63 : 135,614,206.17 = 29,007,751.91 : x - Step 2: Convert to fraction form
90,453,569.63/135,614,206.17 = 29,007,751.91/x - Step 3: Cross multiply
90,453,569.63x = 135,614,206.17 × 29,007,751.91 - Step 4: Simplify right side
90,453,569.63x = 3,933,863,247,372,880 - Step 5: Solve for x
x = 3,933,863,247,372,880/90,453,569.63 - Step 6: Final answer
x = 43,490,414.63
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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.