Finding the Fourth Proportional to 97,914,968.43, 135,123,368.72 and 53,261,325.99
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Solution
The fourth proportional to 97,914,968.43, 135,123,368.72 and 53,261,325.99 is: 73,501,017.32
Step by Step Solution
- Step 1: Write the proportion equation
97,914,968.43 : 135,123,368.72 = 53,261,325.99 : x - Step 2: Convert to fraction form
97,914,968.43/135,123,368.72 = 53,261,325.99/x - Step 3: Cross multiply
97,914,968.43x = 135,123,368.72 × 53,261,325.99 - Step 4: Simplify right side
97,914,968.43x = 7,196,849,789,996,583 - Step 5: Solve for x
x = 7,196,849,789,996,583/97,914,968.43 - Step 6: Final answer
x = 73,501,017.32
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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.