Finding the Fourth Proportional to 265,700,103.20, 398,523,245.52 and 71,631,136.08
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Solution
The fourth proportional to 265,700,103.20, 398,523,245.52 and 71,631,136.08 is: 107,439,449.54
Step by Step Solution
- Step 1: Write the proportion equation
265,700,103.20 : 398,523,245.52 = 71,631,136.08 : x - Step 2: Convert to fraction form
265,700,103.20/398,523,245.52 = 71,631,136.08/x - Step 3: Cross multiply
265,700,103.20x = 398,523,245.52 × 71,631,136.08 - Step 4: Simplify right side
265,700,103.20x = 28,546,672,830,886,368 - Step 5: Solve for x
x = 28,546,672,830,886,368/265,700,103.20 - Step 6: Final answer
x = 107,439,449.54
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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.