Finding the Fourth Proportional to 97,928,647.72, 135,141,532.84 and 53,874,701.16
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Solution
The fourth proportional to 97,928,647.72, 135,141,532.84 and 53,874,701.16 is: 74,347,087.04
Step by Step Solution
- Step 1: Write the proportion equation
97,928,647.72 : 135,141,532.84 = 53,874,701.16 : x - Step 2: Convert to fraction form
97,928,647.72/135,141,532.84 = 53,874,701.16/x - Step 3: Cross multiply
97,928,647.72x = 135,141,532.84 × 53,874,701.16 - Step 4: Simplify right side
97,928,647.72x = 7,280,709,696,059,326 - Step 5: Solve for x
x = 7,280,709,696,059,326/97,928,647.72 - Step 6: Final answer
x = 74,347,087.04
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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.