Finding the Fourth Proportional to 102,608,169.84, 141,599,410.96 and 55,565,324.49
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Solution
The fourth proportional to 102,608,169.84, 141,599,410.96 and 55,565,324.49 is: 76,680,221.76
Step by Step Solution
- Step 1: Write the proportion equation
102,608,169.84 : 141,599,410.96 = 55,565,324.49 : x - Step 2: Convert to fraction form
102,608,169.84/141,599,410.96 = 55,565,324.49/x - Step 3: Cross multiply
102,608,169.84x = 141,599,410.96 × 55,565,324.49 - Step 4: Simplify right side
102,608,169.84x = 7,868,017,217,585,263 - Step 5: Solve for x
x = 7,868,017,217,585,263/102,608,169.84 - Step 6: Final answer
x = 76,680,221.76
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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.