Finding the Fourth Proportional to 325,942,078.60, 488,913,117.90 and 107,626,115.80
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Solution
The fourth proportional to 325,942,078.60, 488,913,117.90 and 107,626,115.80 is: 161,439,173.70
Step by Step Solution
- Step 1: Write the proportion equation
325,942,078.60 : 488,913,117.90 = 107,626,115.80 : x - Step 2: Convert to fraction form
325,942,078.60/488,913,117.90 = 107,626,115.80/x - Step 3: Cross multiply
325,942,078.60x = 488,913,117.90 × 107,626,115.80 - Step 4: Simplify right side
325,942,078.60x = 52,619,819,843,244,448 - Step 5: Solve for x
x = 52,619,819,843,244,448/325,942,078.60 - Step 6: Final answer
x = 161,439,173.70
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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.