Finding the Fourth Proportional to 126,193,737.60, 174,176,414.40 and 73,999,588.38
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Solution
The fourth proportional to 126,193,737.60, 174,176,414.40 and 73,999,588.38 is: 102,136,470.61
Step by Step Solution
- Step 1: Write the proportion equation
126,193,737.60 : 174,176,414.40 = 73,999,588.38 : x - Step 2: Convert to fraction form
126,193,737.60/174,176,414.40 = 73,999,588.38/x - Step 3: Cross multiply
126,193,737.60x = 174,176,414.40 × 73,999,588.38 - Step 4: Simplify right side
126,193,737.60x = 12,888,982,971,104,304 - Step 5: Solve for x
x = 12,888,982,971,104,304/126,193,737.60 - Step 6: Final answer
x = 102,136,470.61
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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.