Finding the Fourth Proportional to 127,853,954.08, 176,486,436.49 and 83,803,789.96
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Solution
The fourth proportional to 127,853,954.08, 176,486,436.49 and 83,803,789.96 is: 115,680,679.26
Step by Step Solution
- Step 1: Write the proportion equation
127,853,954.08 : 176,486,436.49 = 83,803,789.96 : x - Step 2: Convert to fraction form
127,853,954.08/176,486,436.49 = 83,803,789.96/x - Step 3: Cross multiply
127,853,954.08x = 176,486,436.49 × 83,803,789.96 - Step 4: Simplify right side
127,853,954.08x = 14,790,232,254,396,840 - Step 5: Solve for x
x = 14,790,232,254,396,840/127,853,954.08 - Step 6: Final answer
x = 115,680,679.26
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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.