Finding the Fourth Proportional to 71,082,370.17, 106,627,543.70 and 19,960,403.13
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Solution
The fourth proportional to 71,082,370.17, 106,627,543.70 and 19,960,403.13 is: 29,941,724.68
Step by Step Solution
- Step 1: Write the proportion equation
71,082,370.17 : 106,627,543.70 = 19,960,403.13 : x - Step 2: Convert to fraction form
71,082,370.17/106,627,543.70 = 19,960,403.13/x - Step 3: Cross multiply
71,082,370.17x = 106,627,543.70 × 19,960,403.13 - Step 4: Simplify right side
71,082,370.17x = 2,128,328,756,913,889.50 - Step 5: Solve for x
x = 2,128,328,756,913,889.50/71,082,370.17 - Step 6: Final answer
x = 29,941,724.68
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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.