Finding the Fourth Proportional to 97,928,608.55, 135,141,478.94 and 53,874,661.95
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Solution
The fourth proportional to 97,928,608.55, 135,141,478.94 and 53,874,661.95 is: 74,347,033.02
Step by Step Solution
- Step 1: Write the proportion equation
97,928,608.55 : 135,141,478.94 = 53,874,661.95 : x - Step 2: Convert to fraction form
97,928,608.55/135,141,478.94 = 53,874,661.95/x - Step 3: Cross multiply
97,928,608.55x = 135,141,478.94 × 53,874,661.95 - Step 4: Simplify right side
97,928,608.55x = 7,280,701,493,450,231 - Step 5: Solve for x
x = 7,280,701,493,450,231/97,928,608.55 - Step 6: Final answer
x = 74,347,033.02
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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.