Finding the Fourth Proportional to 49,890,816.80, 74,913,207.60 and 27,216,000.80
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Solution
The fourth proportional to 49,890,816.80, 74,913,207.60 and 27,216,000.80 is: 40,865,995.96
Step by Step Solution
- Step 1: Write the proportion equation
49,890,816.80 : 74,913,207.60 = 27,216,000.80 : x - Step 2: Convert to fraction form
49,890,816.80/74,913,207.60 = 27,216,000.80/x - Step 3: Cross multiply
49,890,816.80x = 74,913,207.60 × 27,216,000.80 - Step 4: Simplify right side
49,890,816.80x = 2,038,837,917,972,166 - Step 5: Solve for x
x = 2,038,837,917,972,166/49,890,816.80 - Step 6: Final answer
x = 40,865,995.96
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1.5x scale
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.