Finding the Fourth Proportional to 201,437,672.90, 302,156,509.35 and 177,629,116.10
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Solution
The fourth proportional to 201,437,672.90, 302,156,509.35 and 177,629,116.10 is: 266,443,674.15
Step by Step Solution
- Step 1: Write the proportion equation
201,437,672.90 : 302,156,509.35 = 177,629,116.10 : x - Step 2: Convert to fraction form
201,437,672.90/302,156,509.35 = 177,629,116.10/x - Step 3: Cross multiply
201,437,672.90x = 302,156,509.35 × 177,629,116.10 - Step 4: Simplify right side
201,437,672.90x = 53,671,793,679,701,888 - Step 5: Solve for x
x = 53,671,793,679,701,888/201,437,672.90 - Step 6: Final answer
x = 266,443,674.15
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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.