Finding the Fourth Proportional to 84,555,056.80, 126,801,475.02 and 29,208,811.84
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Solution
The fourth proportional to 84,555,056.80, 126,801,475.02 and 29,208,811.84 is: 43,802,471.02
Step by Step Solution
- Step 1: Write the proportion equation
84,555,056.80 : 126,801,475.02 = 29,208,811.84 : x - Step 2: Convert to fraction form
84,555,056.80/126,801,475.02 = 29,208,811.84/x - Step 3: Cross multiply
84,555,056.80x = 126,801,475.02 × 29,208,811.84 - Step 4: Simplify right side
84,555,056.80x = 3,703,720,424,893,640 - Step 5: Solve for x
x = 3,703,720,424,893,640/84,555,056.80 - Step 6: Final answer
x = 43,802,471.02
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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.