Finding the Fourth Proportional to 98,440,656.53, 147,641,828.69 and 28,405,961.44
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Solution
The fourth proportional to 98,440,656.53, 147,641,828.69 and 28,405,961.44 is: 42,603,414.49
Step by Step Solution
- Step 1: Write the proportion equation
98,440,656.53 : 147,641,828.69 = 28,405,961.44 : x - Step 2: Convert to fraction form
98,440,656.53/147,641,828.69 = 28,405,961.44/x - Step 3: Cross multiply
98,440,656.53x = 147,641,828.69 × 28,405,961.44 - Step 4: Simplify right side
98,440,656.53x = 4,193,908,093,032,435.50 - Step 5: Solve for x
x = 4,193,908,093,032,435.50/98,440,656.53 - Step 6: Final answer
x = 42,603,414.49
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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.