Finding the Fourth Proportional to 304,485,165.60, 456,919,877.74 and 129,607,921.68
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Solution
The fourth proportional to 304,485,165.60, 456,919,877.74 and 129,607,921.68 is: 194,493,664.78
Step by Step Solution
- Step 1: Write the proportion equation
304,485,165.60 : 456,919,877.74 = 129,607,921.68 : x - Step 2: Convert to fraction form
304,485,165.60/456,919,877.74 = 129,607,921.68/x - Step 3: Cross multiply
304,485,165.60x = 456,919,877.74 × 129,607,921.68 - Step 4: Simplify right side
304,485,165.60x = 59,220,435,728,161,096 - Step 5: Solve for x
x = 59,220,435,728,161,096/304,485,165.60 - Step 6: Final answer
x = 194,493,664.78
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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.