Finding the Fourth Proportional to 92,542,510.41, 127,634,199.33 and 81,355,083.80
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Solution
The fourth proportional to 92,542,510.41, 127,634,199.33 and 81,355,083.80 is: 112,204,552.66
Step by Step Solution
- Step 1: Write the proportion equation
92,542,510.41 : 127,634,199.33 = 81,355,083.80 : x - Step 2: Convert to fraction form
92,542,510.41/127,634,199.33 = 81,355,083.80/x - Step 3: Cross multiply
92,542,510.41x = 127,634,199.33 × 81,355,083.80 - Step 4: Simplify right side
92,542,510.41x = 10,383,690,982,238,054 - Step 5: Solve for x
x = 10,383,690,982,238,054/92,542,510.41 - Step 6: Final answer
x = 112,204,552.66
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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.