Finding the Fourth Proportional to 144,991,711.80, 217,487,567.70 and 118,449,631.80
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Solution
The fourth proportional to 144,991,711.80, 217,487,567.70 and 118,449,631.80 is: 177,674,447.70
Step by Step Solution
- Step 1: Write the proportion equation
144,991,711.80 : 217,487,567.70 = 118,449,631.80 : x - Step 2: Convert to fraction form
144,991,711.80/217,487,567.70 = 118,449,631.80/x - Step 3: Cross multiply
144,991,711.80x = 217,487,567.70 × 118,449,631.80 - Step 4: Simplify right side
144,991,711.80x = 25,761,322,315,142,572 - Step 5: Solve for x
x = 25,761,322,315,142,572/144,991,711.80 - Step 6: Final answer
x = 177,674,447.70
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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.