Finding the Fourth Proportional to 57,007,129.73, 78,735,207.60 and 37,515,030.12
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Solution
The fourth proportional to 57,007,129.73, 78,735,207.60 and 37,515,030.12 is: 51,813,759.07
Step by Step Solution
- Step 1: Write the proportion equation
57,007,129.73 : 78,735,207.60 = 37,515,030.12 : x - Step 2: Convert to fraction form
57,007,129.73/78,735,207.60 = 37,515,030.12/x - Step 3: Cross multiply
57,007,129.73x = 78,735,207.60 × 37,515,030.12 - Step 4: Simplify right side
57,007,129.73x = 2,953,753,684,618,452.50 - Step 5: Solve for x
x = 2,953,753,684,618,452.50/57,007,129.73 - Step 6: Final answer
x = 51,813,759.07
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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.