Finding the Fourth Proportional to 141,336,637.20, 211,743,682.20 and 80,571,862.80
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Solution
The fourth proportional to 141,336,637.20, 211,743,682.20 and 80,571,862.80 is: 120,708,849.80
Step by Step Solution
- Step 1: Write the proportion equation
141,336,637.20 : 211,743,682.20 = 80,571,862.80 : x - Step 2: Convert to fraction form
141,336,637.20/211,743,682.20 = 80,571,862.80/x - Step 3: Cross multiply
141,336,637.20x = 211,743,682.20 × 80,571,862.80 - Step 4: Simplify right side
141,336,637.20x = 17,060,582,910,985,200 - Step 5: Solve for x
x = 17,060,582,910,985,200/141,336,637.20 - Step 6: Final answer
x = 120,708,849.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.