Finding the Fourth Proportional to 356,027,845.20, 534,136,246.20 and 125,972,941.20
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Solution
The fourth proportional to 356,027,845.20, 534,136,246.20 and 125,972,941.20 is: 188,992,840.99
Step by Step Solution
- Step 1: Write the proportion equation
356,027,845.20 : 534,136,246.20 = 125,972,941.20 : x - Step 2: Convert to fraction form
356,027,845.20/534,136,246.20 = 125,972,941.20/x - Step 3: Cross multiply
356,027,845.20x = 534,136,246.20 × 125,972,941.20 - Step 4: Simplify right side
356,027,845.20x = 67,286,713,935,341,320 - Step 5: Solve for x
x = 67,286,713,935,341,320/356,027,845.20 - Step 6: Final answer
x = 188,992,840.99
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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.