Finding the Fourth Proportional to 284,260,822.97, 392,272,708.70 and 158,813,961.17
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Solution
The fourth proportional to 284,260,822.97, 392,272,708.70 and 158,813,961.17 is: 219,159,228.76
Step by Step Solution
- Step 1: Write the proportion equation
284,260,822.97 : 392,272,708.70 = 158,813,961.17 : x - Step 2: Convert to fraction form
284,260,822.97/392,272,708.70 = 158,813,961.17/x - Step 3: Cross multiply
284,260,822.97x = 392,272,708.70 × 158,813,961.17 - Step 4: Simplify right side
284,260,822.97x = 62,298,382,728,910,240 - Step 5: Solve for x
x = 62,298,382,728,910,240/284,260,822.97 - Step 6: Final answer
x = 219,159,228.76
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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.