Finding the Fourth Proportional to 98,029,436.55, 147,060,114.12 and 28,949,227.08
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Solution
The fourth proportional to 98,029,436.55, 147,060,114.12 and 28,949,227.08 is: 43,428,553.58
Step by Step Solution
- Step 1: Write the proportion equation
98,029,436.55 : 147,060,114.12 = 28,949,227.08 : x - Step 2: Convert to fraction form
98,029,436.55/147,060,114.12 = 28,949,227.08/x - Step 3: Cross multiply
98,029,436.55x = 147,060,114.12 × 28,949,227.08 - Step 4: Simplify right side
98,029,436.55x = 4,257,276,638,070,594 - Step 5: Solve for x
x = 4,257,276,638,070,594/98,029,436.55 - Step 6: Final answer
x = 43,428,553.58
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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.