Finding the Fourth Proportional to 205,139,265.84, 283,092,131.52 and 112,319,745.84
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Solution
The fourth proportional to 205,139,265.84, 283,092,131.52 and 112,319,745.84 is: 155,001,218.96
Step by Step Solution
- Step 1: Write the proportion equation
205,139,265.84 : 283,092,131.52 = 112,319,745.84 : x - Step 2: Convert to fraction form
205,139,265.84/283,092,131.52 = 112,319,745.84/x - Step 3: Cross multiply
205,139,265.84x = 283,092,131.52 × 112,319,745.84 - Step 4: Simplify right side
205,139,265.84x = 31,796,836,261,630,252 - Step 5: Solve for x
x = 31,796,836,261,630,252/205,139,265.84 - Step 6: Final answer
x = 155,001,218.96
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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.