Finding the Fourth Proportional to 99,743,110.20, 149,331,230.10 and 88,405,702.20
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Solution
The fourth proportional to 99,743,110.20, 149,331,230.10 and 88,405,702.20 is: 132,357,335.07
Step by Step Solution
- Step 1: Write the proportion equation
99,743,110.20 : 149,331,230.10 = 88,405,702.20 : x - Step 2: Convert to fraction form
99,743,110.20/149,331,230.10 = 88,405,702.20/x - Step 3: Cross multiply
99,743,110.20x = 149,331,230.10 × 88,405,702.20 - Step 4: Simplify right side
99,743,110.20x = 13,201,732,257,380,276 - Step 5: Solve for x
x = 13,201,732,257,380,276/99,743,110.20 - Step 6: Final answer
x = 132,357,335.07
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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.