Finding the Fourth Proportional to 107,135,482.16, 160,723,907.40 and 45,723,744.56
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Solution
The fourth proportional to 107,135,482.16, 160,723,907.40 and 45,723,744.56 is: 68,594,444.52
Step by Step Solution
- Step 1: Write the proportion equation
107,135,482.16 : 160,723,907.40 = 45,723,744.56 : x - Step 2: Convert to fraction form
107,135,482.16/160,723,907.40 = 45,723,744.56/x - Step 3: Cross multiply
107,135,482.16x = 160,723,907.40 × 45,723,744.56 - Step 4: Simplify right side
107,135,482.16x = 7,348,898,886,642,694 - Step 5: Solve for x
x = 7,348,898,886,642,694/107,135,482.16 - Step 6: Final answer
x = 68,594,444.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.