Finding the Fourth Proportional to 141,964,894.24, 195,912,144.42 and 76,774,798.24
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Solution
The fourth proportional to 141,964,894.24, 195,912,144.42 and 76,774,798.24 is: 105,949,540.84
Step by Step Solution
- Step 1: Write the proportion equation
141,964,894.24 : 195,912,144.42 = 76,774,798.24 : x - Step 2: Convert to fraction form
141,964,894.24/195,912,144.42 = 76,774,798.24/x - Step 3: Cross multiply
141,964,894.24x = 195,912,144.42 × 76,774,798.24 - Step 4: Simplify right side
141,964,894.24x = 15,041,115,360,611,240 - Step 5: Solve for x
x = 15,041,115,360,611,240/141,964,894.24 - Step 6: Final answer
x = 105,949,540.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.