Finding the Fourth Proportional to 127,853,951.33, 176,486,432.69 and 83,803,787.21
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Solution
The fourth proportional to 127,853,951.33, 176,486,432.69 and 83,803,787.21 is: 115,680,675.46
Step by Step Solution
- Step 1: Write the proportion equation
127,853,951.33 : 176,486,432.69 = 83,803,787.21 : x - Step 2: Convert to fraction form
127,853,951.33/176,486,432.69 = 83,803,787.21/x - Step 3: Cross multiply
127,853,951.33x = 176,486,432.69 × 83,803,787.21 - Step 4: Simplify right side
127,853,951.33x = 14,790,231,449,931,824 - Step 5: Solve for x
x = 14,790,231,449,931,824/127,853,951.33 - Step 6: Final answer
x = 115,680,675.46
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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.