Finding the Fourth Proportional to 190,625,101.05, 285,937,651.58 and 132,512,027.70
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Solution
The fourth proportional to 190,625,101.05, 285,937,651.58 and 132,512,027.70 is: 198,768,041.55
Step by Step Solution
- Step 1: Write the proportion equation
190,625,101.05 : 285,937,651.58 = 132,512,027.70 : x - Step 2: Convert to fraction form
190,625,101.05/285,937,651.58 = 132,512,027.70/x - Step 3: Cross multiply
190,625,101.05x = 285,937,651.58 × 132,512,027.70 - Step 4: Simplify right side
190,625,101.05x = 37,890,178,005,979,344 - Step 5: Solve for x
x = 37,890,178,005,979,344/190,625,101.05 - Step 6: Final answer
x = 198,768,041.55
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1.5x scale
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.