Finding the Fourth Proportional to 135,403,728.20, 202,963,836.29 and 56,665,348.17
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Solution
The fourth proportional to 135,403,728.20, 202,963,836.29 and 56,665,348.17 is: 84,938,698.53
Step by Step Solution
- Step 1: Write the proportion equation
135,403,728.20 : 202,963,836.29 = 56,665,348.17 : x - Step 2: Convert to fraction form
135,403,728.20/202,963,836.29 = 56,665,348.17/x - Step 3: Cross multiply
135,403,728.20x = 202,963,836.29 × 56,665,348.17 - Step 4: Simplify right side
135,403,728.20x = 11,501,016,449,515,814 - Step 5: Solve for x
x = 11,501,016,449,515,814/135,403,728.20 - Step 6: Final answer
x = 84,938,698.53
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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.