Finding the Fourth Proportional to 228,576,085.38, 315,437,553.99 and 134,511,028.38
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Solution
The fourth proportional to 228,576,085.38, 315,437,553.99 and 134,511,028.38 is: 185,626,723.40
Step by Step Solution
- Step 1: Write the proportion equation
228,576,085.38 : 315,437,553.99 = 134,511,028.38 : x - Step 2: Convert to fraction form
228,576,085.38/315,437,553.99 = 134,511,028.38/x - Step 3: Cross multiply
228,576,085.38x = 315,437,553.99 × 134,511,028.38 - Step 4: Simplify right side
228,576,085.38x = 42,429,829,776,866,672 - Step 5: Solve for x
x = 42,429,829,776,866,672/228,576,085.38 - Step 6: Final answer
x = 185,626,723.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.