Finding the Fourth Proportional to 42,608,425.48, 63,811,186.90 and 27,208,012.68
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Solution
The fourth proportional to 42,608,425.48, 63,811,186.90 and 27,208,012.68 is: 40,747,236.32
Step by Step Solution
- Step 1: Write the proportion equation
42,608,425.48 : 63,811,186.90 = 27,208,012.68 : x - Step 2: Convert to fraction form
42,608,425.48/63,811,186.90 = 27,208,012.68/x - Step 3: Cross multiply
42,608,425.48x = 63,811,186.90 × 27,208,012.68 - Step 4: Simplify right side
42,608,425.48x = 1,736,175,582,301,049.75 - Step 5: Solve for x
x = 1,736,175,582,301,049.75/42,608,425.48 - Step 6: Final answer
x = 40,747,236.32
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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.