Finding the Fourth Proportional to 83,177,176.40, 124,774,102.20 and 28,582,571.60
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Solution
The fourth proportional to 83,177,176.40, 124,774,102.20 and 28,582,571.60 is: 42,876,722.49
Step by Step Solution
- Step 1: Write the proportion equation
83,177,176.40 : 124,774,102.20 = 28,582,571.60 : x - Step 2: Convert to fraction form
83,177,176.40/124,774,102.20 = 28,582,571.60/x - Step 3: Cross multiply
83,177,176.40x = 124,774,102.20 × 28,582,571.60 - Step 4: Simplify right side
83,177,176.40x = 3,566,364,709,957,218 - Step 5: Solve for x
x = 3,566,364,709,957,218/83,177,176.40 - Step 6: Final answer
x = 42,876,722.49
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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.