Finding the Fourth Proportional to 88,704,138.40, 133,056,207.60 and 28,119,767.20
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Solution
The fourth proportional to 88,704,138.40, 133,056,207.60 and 28,119,767.20 is: 42,179,650.80
Step by Step Solution
- Step 1: Write the proportion equation
88,704,138.40 : 133,056,207.60 = 28,119,767.20 : x - Step 2: Convert to fraction form
88,704,138.40/133,056,207.60 = 28,119,767.20/x - Step 3: Cross multiply
88,704,138.40x = 133,056,207.60 × 28,119,767.20 - Step 4: Simplify right side
88,704,138.40x = 3,741,509,582,226,870.50 - Step 5: Solve for x
x = 3,741,509,582,226,870.50/88,704,138.40 - Step 6: Final answer
x = 42,179,650.80
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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.