Finding the Fourth Proportional to 192,678,712.77, 265,898,537.70 and 104,573,493.21
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Solution
The fourth proportional to 192,678,712.77, 265,898,537.70 and 104,573,493.21 is: 144,312,459.47
Step by Step Solution
- Step 1: Write the proportion equation
192,678,712.77 : 265,898,537.70 = 104,573,493.21 : x - Step 2: Convert to fraction form
192,678,712.77/265,898,537.70 = 104,573,493.21/x - Step 3: Cross multiply
192,678,712.77x = 265,898,537.70 × 104,573,493.21 - Step 4: Simplify right side
192,678,712.77x = 27,805,938,926,719,876 - Step 5: Solve for x
x = 27,805,938,926,719,876/192,678,712.77 - Step 6: Final answer
x = 144,312,459.47
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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.