Finding the Fourth Proportional to 118,211,704.80, 177,317,557.20 and 106,732,579.20
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Solution
The fourth proportional to 118,211,704.80, 177,317,557.20 and 106,732,579.20 is: 160,098,868.80
Step by Step Solution
- Step 1: Write the proportion equation
118,211,704.80 : 177,317,557.20 = 106,732,579.20 : x - Step 2: Convert to fraction form
118,211,704.80/177,317,557.20 = 106,732,579.20/x - Step 3: Cross multiply
118,211,704.80x = 177,317,557.20 × 106,732,579.20 - Step 4: Simplify right side
118,211,704.80x = 18,925,560,217,399,528 - Step 5: Solve for x
x = 18,925,560,217,399,528/118,211,704.80 - Step 6: Final answer
x = 160,098,868.80
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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.