Finding the Fourth Proportional to 100,204,370.19, 138,279,684.20 and 58,953,914.91
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Solution
The fourth proportional to 100,204,370.19, 138,279,684.20 and 58,953,914.91 is: 81,355,021.95
Step by Step Solution
- Step 1: Write the proportion equation
100,204,370.19 : 138,279,684.20 = 58,953,914.91 : x - Step 2: Convert to fraction form
100,204,370.19/138,279,684.20 = 58,953,914.91/x - Step 3: Cross multiply
100,204,370.19x = 138,279,684.20 × 58,953,914.91 - Step 4: Simplify right side
100,204,370.19x = 8,152,128,735,813,701 - Step 5: Solve for x
x = 8,152,128,735,813,701/100,204,370.19 - Step 6: Final answer
x = 81,355,021.95
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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.