Finding the Fourth Proportional to 117,515,251.20, 176,272,876.80 and 63,095,692.80
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Solution
The fourth proportional to 117,515,251.20, 176,272,876.80 and 63,095,692.80 is: 94,643,539.20
Step by Step Solution
- Step 1: Write the proportion equation
117,515,251.20 : 176,272,876.80 = 63,095,692.80 : x - Step 2: Convert to fraction form
117,515,251.20/176,272,876.80 = 63,095,692.80/x - Step 3: Cross multiply
117,515,251.20x = 176,272,876.80 × 63,095,692.80 - Step 4: Simplify right side
117,515,251.20x = 11,122,059,283,545,048 - Step 5: Solve for x
x = 11,122,059,283,545,048/117,515,251.20 - Step 6: Final answer
x = 94,643,539.20
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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.