Finding the Fourth Proportional to 175,930,807.80, 263,896,211.70 and 48,279,991.80
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Solution
The fourth proportional to 175,930,807.80, 263,896,211.70 and 48,279,991.80 is: 72,419,987.70
Step by Step Solution
- Step 1: Write the proportion equation
175,930,807.80 : 263,896,211.70 = 48,279,991.80 : x - Step 2: Convert to fraction form
175,930,807.80/263,896,211.70 = 48,279,991.80/x - Step 3: Cross multiply
175,930,807.80x = 263,896,211.70 × 48,279,991.80 - Step 4: Simplify right side
175,930,807.80x = 12,740,906,936,927,062 - Step 5: Solve for x
x = 12,740,906,936,927,062/175,930,807.80 - Step 6: Final answer
x = 72,419,987.70
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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.