Finding the Fourth Proportional to 89,366,543.13, 134,049,821.99 and 28,782,269.13
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Solution
The fourth proportional to 89,366,543.13, 134,049,821.99 and 28,782,269.13 is: 43,173,406.04
Step by Step Solution
- Step 1: Write the proportion equation
89,366,543.13 : 134,049,821.99 = 28,782,269.13 : x - Step 2: Convert to fraction form
89,366,543.13/134,049,821.99 = 28,782,269.13/x - Step 3: Cross multiply
89,366,543.13x = 134,049,821.99 × 28,782,269.13 - Step 4: Simplify right side
89,366,543.13x = 3,858,258,053,344,772 - Step 5: Solve for x
x = 3,858,258,053,344,772/89,366,543.13 - Step 6: Final answer
x = 43,173,406.04
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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.