Finding the Fourth Proportional to 141,729,248.76, 195,586,361.69 and 76,539,152.76
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Solution
The fourth proportional to 141,729,248.76, 195,586,361.69 and 76,539,152.76 is: 105,624,029.94
Step by Step Solution
- Step 1: Write the proportion equation
141,729,248.76 : 195,586,361.69 = 76,539,152.76 : x - Step 2: Convert to fraction form
141,729,248.76/195,586,361.69 = 76,539,152.76/x - Step 3: Cross multiply
141,729,248.76x = 195,586,361.69 × 76,539,152.76 - Step 4: Simplify right side
141,729,248.76x = 14,970,014,414,780,828 - Step 5: Solve for x
x = 14,970,014,414,780,828/141,729,248.76 - Step 6: Final answer
x = 105,624,029.94
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1.5x scale
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.