Finding the Fourth Proportional to 127,853,953.08, 176,486,435.11 and 83,803,788.96
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Solution
The fourth proportional to 127,853,953.08, 176,486,435.11 and 83,803,788.96 is: 115,680,677.88
Step by Step Solution
- Step 1: Write the proportion equation
127,853,953.08 : 176,486,435.11 = 83,803,788.96 : x - Step 2: Convert to fraction form
127,853,953.08/176,486,435.11 = 83,803,788.96/x - Step 3: Cross multiply
127,853,953.08x = 176,486,435.11 × 83,803,788.96 - Step 4: Simplify right side
127,853,953.08x = 14,790,231,962,261,174 - Step 5: Solve for x
x = 14,790,231,962,261,174/127,853,953.08 - Step 6: Final answer
x = 115,680,677.88
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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.