Finding the Fourth Proportional to 74,927,584.09, 112,340,229.27 and 39,917,932.98
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Solution
The fourth proportional to 74,927,584.09, 112,340,229.27 and 39,917,932.98 is: 59,849,650.80
Step by Step Solution
- Step 1: Write the proportion equation
74,927,584.09 : 112,340,229.27 = 39,917,932.98 : x - Step 2: Convert to fraction form
74,927,584.09/112,340,229.27 = 39,917,932.98/x - Step 3: Cross multiply
74,927,584.09x = 112,340,229.27 × 39,917,932.98 - Step 4: Simplify right side
74,927,584.09x = 4,484,389,742,957,694 - Step 5: Solve for x
x = 4,484,389,742,957,694/74,927,584.09 - Step 6: Final answer
x = 59,849,650.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.