Finding the Fourth Proportional to 45,821,308.32, 68,731,933.68 and 13,473,476.64
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Solution
The fourth proportional to 45,821,308.32, 68,731,933.68 and 13,473,476.64 is: 20,210,206.49
Step by Step Solution
- Step 1: Write the proportion equation
45,821,308.32 : 68,731,933.68 = 13,473,476.64 : x - Step 2: Convert to fraction form
45,821,308.32/68,731,933.68 = 13,473,476.64/x - Step 3: Cross multiply
45,821,308.32x = 68,731,933.68 × 13,473,476.64 - Step 4: Simplify right side
45,821,308.32x = 926,058,102,859,509.38 - Step 5: Solve for x
x = 926,058,102,859,509.38/45,821,308.32 - Step 6: Final answer
x = 20,210,206.49
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1.5x scale
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.