Finding the Fourth Proportional to 76,122,726.09, 105,046,690.37 and 41,314,715.97
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Solution
The fourth proportional to 76,122,726.09, 105,046,690.37 and 41,314,715.97 is: 57,012,858.04
Step by Step Solution
- Step 1: Write the proportion equation
76,122,726.09 : 105,046,690.37 = 41,314,715.97 : x - Step 2: Convert to fraction form
76,122,726.09/105,046,690.37 = 41,314,715.97/x - Step 3: Cross multiply
76,122,726.09x = 105,046,690.37 × 41,314,715.97 - Step 4: Simplify right side
76,122,726.09x = 4,339,974,176,018,510.50 - Step 5: Solve for x
x = 4,339,974,176,018,510.50/76,122,726.09 - Step 6: Final answer
x = 57,012,858.04
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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.