Finding the Fourth Proportional to 74,734,553.58, 103,133,748.14 and 41,694,807.83
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Solution
The fourth proportional to 74,734,553.58, 103,133,748.14 and 41,694,807.83 is: 57,538,870.63
Step by Step Solution
- Step 1: Write the proportion equation
74,734,553.58 : 103,133,748.14 = 41,694,807.83 : x - Step 2: Convert to fraction form
74,734,553.58/103,133,748.14 = 41,694,807.83/x - Step 3: Cross multiply
74,734,553.58x = 103,133,748.14 × 41,694,807.83 - Step 4: Simplify right side
74,734,553.58x = 4,300,141,809,731,585 - Step 5: Solve for x
x = 4,300,141,809,731,585/74,734,553.58 - Step 6: Final answer
x = 57,538,870.63
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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.