Finding the Fourth Proportional to 141,729,246.68, 195,586,358.79 and 76,539,150.68
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Solution
The fourth proportional to 141,729,246.68, 195,586,358.79 and 76,539,150.68 is: 105,624,027.06
Step by Step Solution
- Step 1: Write the proportion equation
141,729,246.68 : 195,586,358.79 = 76,539,150.68 : x - Step 2: Convert to fraction form
141,729,246.68/195,586,358.79 = 76,539,150.68/x - Step 3: Cross multiply
141,729,246.68x = 195,586,358.79 × 76,539,150.68 - Step 4: Simplify right side
141,729,246.68x = 14,970,013,786,380,354 - Step 5: Solve for x
x = 14,970,013,786,380,354/141,729,246.68 - Step 6: Final answer
x = 105,624,027.06
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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.