Finding the Fourth Proportional to 149,466,670.20, 224,235,434.70 and 76,694,682.60
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Solution
The fourth proportional to 149,466,670.20, 224,235,434.70 and 76,694,682.60 is: 115,060,203.52
Step by Step Solution
- Step 1: Write the proportion equation
149,466,670.20 : 224,235,434.70 = 76,694,682.60 : x - Step 2: Convert to fraction form
149,466,670.20/224,235,434.70 = 76,694,682.60/x - Step 3: Cross multiply
149,466,670.20x = 224,235,434.70 × 76,694,682.60 - Step 4: Simplify right side
149,466,670.20x = 17,197,665,491,989,524 - Step 5: Solve for x
x = 17,197,665,491,989,524/149,466,670.20 - Step 6: Final answer
x = 115,060,203.52
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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.