Finding the Fourth Proportional to 97,880,845.62, 135,079,033.32 and 53,831,253.90
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Solution
The fourth proportional to 97,880,845.62, 135,079,033.32 and 53,831,253.90 is: 74,289,036.77
Step by Step Solution
- Step 1: Write the proportion equation
97,880,845.62 : 135,079,033.32 = 53,831,253.90 : x - Step 2: Convert to fraction form
97,880,845.62/135,079,033.32 = 53,831,253.90/x - Step 3: Cross multiply
97,880,845.62x = 135,079,033.32 × 53,831,253.90 - Step 4: Simplify right side
97,880,845.62x = 7,271,473,739,215,479 - Step 5: Solve for x
x = 7,271,473,739,215,479/97,880,845.62 - Step 6: Final answer
x = 74,289,036.77
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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.