Finding the Fourth Proportional to 98,340,391.15, 135,706,183.17 and 54,286,444.19
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Solution
The fourth proportional to 98,340,391.15, 135,706,183.17 and 54,286,444.19 is: 74,913,329.64
Step by Step Solution
- Step 1: Write the proportion equation
98,340,391.15 : 135,706,183.17 = 54,286,444.19 : x - Step 2: Convert to fraction form
98,340,391.15/135,706,183.17 = 54,286,444.19/x - Step 3: Cross multiply
98,340,391.15x = 135,706,183.17 × 54,286,444.19 - Step 4: Simplify right side
98,340,391.15x = 7,367,006,138,896,121 - Step 5: Solve for x
x = 7,367,006,138,896,121/98,340,391.15 - Step 6: Final answer
x = 74,913,329.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.