Finding the Fourth Proportional to 325,972,130.60, 488,790,234.30 and 121,394,901.80
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Solution
The fourth proportional to 325,972,130.60, 488,790,234.30 and 121,394,901.80 is: 182,029,802.32
Step by Step Solution
- Step 1: Write the proportion equation
325,972,130.60 : 488,790,234.30 = 121,394,901.80 : x - Step 2: Convert to fraction form
325,972,130.60/488,790,234.30 = 121,394,901.80/x - Step 3: Cross multiply
325,972,130.60x = 488,790,234.30 × 121,394,901.80 - Step 4: Simplify right side
325,972,130.60x = 59,336,642,493,647,488 - Step 5: Solve for x
x = 59,336,642,493,647,488/325,972,130.60 - Step 6: Final answer
x = 182,029,802.32
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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.