Finding the Fourth Proportional to 122,340,096.87, 168,829,324.28 and 66,585,917.07
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Solution
The fourth proportional to 122,340,096.87, 168,829,324.28 and 66,585,917.07 is: 91,888,560.44
Step by Step Solution
- Step 1: Write the proportion equation
122,340,096.87 : 168,829,324.28 = 66,585,917.07 : x - Step 2: Convert to fraction form
122,340,096.87/168,829,324.28 = 66,585,917.07/x - Step 3: Cross multiply
122,340,096.87x = 168,829,324.28 × 66,585,917.07 - Step 4: Simplify right side
122,340,096.87x = 11,241,655,385,159,288 - Step 5: Solve for x
x = 11,241,655,385,159,288/122,340,096.87 - Step 6: Final answer
x = 91,888,560.44
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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.