Finding the Fourth Proportional to 117,415,124.80, 176,122,687.20 and 62,995,566.40
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Solution
The fourth proportional to 117,415,124.80, 176,122,687.20 and 62,995,566.40 is: 94,493,349.60
Step by Step Solution
- Step 1: Write the proportion equation
117,415,124.80 : 176,122,687.20 = 62,995,566.40 : x - Step 2: Convert to fraction form
117,415,124.80/176,122,687.20 = 62,995,566.40/x - Step 3: Cross multiply
117,415,124.80x = 176,122,687.20 × 62,995,566.40 - Step 4: Simplify right side
117,415,124.80x = 11,094,948,436,054,030 - Step 5: Solve for x
x = 11,094,948,436,054,030/117,415,124.80 - Step 6: Final answer
x = 94,493,349.60
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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.