Finding the Fourth Proportional to 117,456,277.20, 176,184,415.80 and 93,269,806.80
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Solution
The fourth proportional to 117,456,277.20, 176,184,415.80 and 93,269,806.80 is: 139,904,710.20
Step by Step Solution
- Step 1: Write the proportion equation
117,456,277.20 : 176,184,415.80 = 93,269,806.80 : x - Step 2: Convert to fraction form
117,456,277.20/176,184,415.80 = 93,269,806.80/x - Step 3: Cross multiply
117,456,277.20x = 176,184,415.80 × 93,269,806.80 - Step 4: Simplify right side
117,456,277.20x = 16,432,686,422,836,868 - Step 5: Solve for x
x = 16,432,686,422,836,868/117,456,277.20 - Step 6: Final answer
x = 139,904,710.20
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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.