Finding the Fourth Proportional to 133,072,029,185.78, 183,702,723,537.84 and 89,151,771,306.66
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Solution
The fourth proportional to 133,072,029,185.78, 183,702,723,537.84 and 89,151,771,306.66 is: 123,071,867,900.89
Step by Step Solution
- Step 1: Write the proportion equation
133,072,029,185.78 : 183,702,723,537.84 = 89,151,771,306.66 : x - Step 2: Convert to fraction form
133,072,029,185.78/183,702,723,537.84 = 89,151,771,306.66/x - Step 3: Cross multiply
133,072,029,185.78x = 183,702,723,537.84 × 89,151,771,306.66 - Step 4: Simplify right side
133,072,029,185.78x = 16,377,423,197,256,099,561,472 - Step 5: Solve for x
x = 16,377,423,197,256,099,561,472/133,072,029,185.78 - Step 6: Final answer
x = 123,071,867,900.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.