Finding the Fourth Proportional to 351,523,811.42, 526,916,611.26 and 118,273,550.72
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Solution
The fourth proportional to 351,523,811.42, 526,916,611.26 and 118,273,550.72 is: 177,286,136.88
Step by Step Solution
- Step 1: Write the proportion equation
351,523,811.42 : 526,916,611.26 = 118,273,550.72 : x - Step 2: Convert to fraction form
351,523,811.42/526,916,611.26 = 118,273,550.72/x - Step 3: Cross multiply
351,523,811.42x = 526,916,611.26 × 118,273,550.72 - Step 4: Simplify right side
351,523,811.42x = 62,320,298,547,070,128 - Step 5: Solve for x
x = 62,320,298,547,070,128/351,523,811.42 - Step 6: Final answer
x = 177,286,136.88
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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.