Finding the Fourth Proportional to 76,835,201.52, 106,032,895.38 and 41,553,005.88
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Solution
The fourth proportional to 76,835,201.52, 106,032,895.38 and 41,553,005.88 is: 57,343,319.70
Step by Step Solution
- Step 1: Write the proportion equation
76,835,201.52 : 106,032,895.38 = 41,553,005.88 : x - Step 2: Convert to fraction form
76,835,201.52/106,032,895.38 = 41,553,005.88/x - Step 3: Cross multiply
76,835,201.52x = 106,032,895.38 × 41,553,005.88 - Step 4: Simplify right side
76,835,201.52x = 4,405,985,525,198,565 - Step 5: Solve for x
x = 4,405,985,525,198,565/76,835,201.52 - Step 6: Final answer
x = 57,343,319.70
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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.