Finding the Fourth Proportional to 181,418,211.10, 250,349,919.21 and 107,102,709.98
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Solution
The fourth proportional to 181,418,211.10, 250,349,919.21 and 107,102,709.98 is: 147,797,482.01
Step by Step Solution
- Step 1: Write the proportion equation
181,418,211.10 : 250,349,919.21 = 107,102,709.98 : x - Step 2: Convert to fraction form
181,418,211.10/250,349,919.21 = 107,102,709.98/x - Step 3: Cross multiply
181,418,211.10x = 250,349,919.21 × 107,102,709.98 - Step 4: Simplify right side
181,418,211.10x = 26,813,154,790,665,064 - Step 5: Solve for x
x = 26,813,154,790,665,064/181,418,211.10 - Step 6: Final answer
x = 147,797,482.01
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1.5x scale
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.