Finding the Fourth Proportional to 101,495,007.37, 140,063,185.97 and 55,085,248.99
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Solution
The fourth proportional to 101,495,007.37, 140,063,185.97 and 55,085,248.99 is: 76,017,684.75
Step by Step Solution
- Step 1: Write the proportion equation
101,495,007.37 : 140,063,185.97 = 55,085,248.99 : x - Step 2: Convert to fraction form
101,495,007.37/140,063,185.97 = 55,085,248.99/x - Step 3: Cross multiply
101,495,007.37x = 140,063,185.97 × 55,085,248.99 - Step 4: Simplify right side
101,495,007.37x = 7,715,415,473,490,125 - Step 5: Solve for x
x = 7,715,415,473,490,125/101,495,007.37 - Step 6: Final answer
x = 76,017,684.75
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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.