Finding the Fourth Proportional to 45,639,958.14, 68,482,080.63 and 20,077,646.10
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Solution
The fourth proportional to 45,639,958.14, 68,482,080.63 and 20,077,646.10 is: 30,126,210.35
Step by Step Solution
- Step 1: Write the proportion equation
45,639,958.14 : 68,482,080.63 = 20,077,646.10 : x - Step 2: Convert to fraction form
45,639,958.14/68,482,080.63 = 20,077,646.10/x - Step 3: Cross multiply
45,639,958.14x = 68,482,080.63 × 20,077,646.10 - Step 4: Simplify right side
45,639,958.14x = 1,374,958,979,080,805 - Step 5: Solve for x
x = 1,374,958,979,080,805/45,639,958.14 - Step 6: Final answer
x = 30,126,210.35
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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.