Finding the Fourth Proportional to 281,569,941.79, 422,355,700.04 and 87,509,733.55
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Solution
The fourth proportional to 281,569,941.79, 422,355,700.04 and 87,509,733.55 is: 131,264,845.02
Step by Step Solution
- Step 1: Write the proportion equation
281,569,941.79 : 422,355,700.04 = 87,509,733.55 : x - Step 2: Convert to fraction form
281,569,941.79/422,355,700.04 = 87,509,733.55/x - Step 3: Cross multiply
281,569,941.79x = 422,355,700.04 × 87,509,733.55 - Step 4: Simplify right side
281,569,941.79x = 36,960,234,772,329,000 - Step 5: Solve for x
x = 36,960,234,772,329,000/281,569,941.79 - Step 6: Final answer
x = 131,264,845.02
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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.