Finding the Fourth Proportional to 195,611,761.80, 293,417,642.70 and 104,912,497.80
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Solution
The fourth proportional to 195,611,761.80, 293,417,642.70 and 104,912,497.80 is: 157,368,746.70
Step by Step Solution
- Step 1: Write the proportion equation
195,611,761.80 : 293,417,642.70 = 104,912,497.80 : x - Step 2: Convert to fraction form
195,611,761.80/293,417,642.70 = 104,912,497.80/x - Step 3: Cross multiply
195,611,761.80x = 293,417,642.70 × 104,912,497.80 - Step 4: Simplify right side
195,611,761.80x = 30,783,177,794,244,932 - Step 5: Solve for x
x = 30,783,177,794,244,932/195,611,761.80 - Step 6: Final answer
x = 157,368,746.70
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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.