Finding the Fourth Proportional to 74,366,726.22, 102,517,920.35 and 51,970,177.11
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Solution
The fourth proportional to 74,366,726.22, 102,517,920.35 and 51,970,177.11 is: 71,643,256.98
Step by Step Solution
- Step 1: Write the proportion equation
74,366,726.22 : 102,517,920.35 = 51,970,177.11 : x - Step 2: Convert to fraction form
74,366,726.22/102,517,920.35 = 51,970,177.11/x - Step 3: Cross multiply
74,366,726.22x = 102,517,920.35 × 51,970,177.11 - Step 4: Simplify right side
74,366,726.22x = 5,327,874,477,538,373 - Step 5: Solve for x
x = 5,327,874,477,538,373/74,366,726.22 - Step 6: Final answer
x = 71,643,256.98
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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.