Finding the Fourth Proportional to 84,397,923.60, 126,591,286.68 and 38,328,856.08
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Solution
The fourth proportional to 84,397,923.60, 126,591,286.68 and 38,328,856.08 is: 57,490,741.49
Step by Step Solution
- Step 1: Write the proportion equation
84,397,923.60 : 126,591,286.68 = 38,328,856.08 : x - Step 2: Convert to fraction form
84,397,923.60/126,591,286.68 = 38,328,856.08/x - Step 3: Cross multiply
84,397,923.60x = 126,591,286.68 × 38,328,856.08 - Step 4: Simplify right side
84,397,923.60x = 4,852,099,208,139,741 - Step 5: Solve for x
x = 4,852,099,208,139,741/84,397,923.60 - Step 6: Final answer
x = 57,490,741.49
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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.