Finding the Fourth Proportional to 98,527,390.46, 135,965,402.25 and 54,473,254.64
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Solution
The fourth proportional to 98,527,390.46, 135,965,402.25 and 54,473,254.64 is: 75,171,766.39
Step by Step Solution
- Step 1: Write the proportion equation
98,527,390.46 : 135,965,402.25 = 54,473,254.64 : x - Step 2: Convert to fraction form
98,527,390.46/135,965,402.25 = 54,473,254.64/x - Step 3: Cross multiply
98,527,390.46x = 135,965,402.25 × 54,473,254.64 - Step 4: Simplify right side
98,527,390.46x = 7,406,477,978,314,452 - Step 5: Solve for x
x = 7,406,477,978,314,452/98,527,390.46 - Step 6: Final answer
x = 75,171,766.39
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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.