Finding the Fourth Proportional to 97,951,805.28, 135,169,431.48 and 53,297,960.04
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Solution
The fourth proportional to 97,951,805.28, 135,169,431.48 and 53,297,960.04 is: 73,548,975.82
Step by Step Solution
- Step 1: Write the proportion equation
97,951,805.28 : 135,169,431.48 = 53,297,960.04 : x - Step 2: Convert to fraction form
97,951,805.28/135,169,431.48 = 53,297,960.04/x - Step 3: Cross multiply
97,951,805.28x = 135,169,431.48 × 53,297,960.04 - Step 4: Simplify right side
97,951,805.28x = 7,204,254,957,650,557 - Step 5: Solve for x
x = 7,204,254,957,650,557/97,951,805.28 - Step 6: Final answer
x = 73,548,975.82
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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.