Finding the Fourth Proportional to 228,576,121.16, 315,437,603.38 and 134,511,064.12
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Solution
The fourth proportional to 228,576,121.16, 315,437,603.38 and 134,511,064.12 is: 185,626,772.73
Step by Step Solution
- Step 1: Write the proportion equation
228,576,121.16 : 315,437,603.38 = 134,511,064.12 : x - Step 2: Convert to fraction form
228,576,121.16/315,437,603.38 = 134,511,064.12/x - Step 3: Cross multiply
228,576,121.16x = 315,437,603.38 × 134,511,064.12 - Step 4: Simplify right side
228,576,121.16x = 42,429,847,694,106,312 - Step 5: Solve for x
x = 42,429,847,694,106,312/228,576,121.16 - Step 6: Final answer
x = 185,626,772.73
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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.