Finding the Fourth Proportional to 124,568,077.20, 186,852,115.80 and 117,393,623.70
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Solution
The fourth proportional to 124,568,077.20, 186,852,115.80 and 117,393,623.70 is: 176,090,435.55
Step by Step Solution
- Step 1: Write the proportion equation
124,568,077.20 : 186,852,115.80 = 117,393,623.70 : x - Step 2: Convert to fraction form
124,568,077.20/186,852,115.80 = 117,393,623.70/x - Step 3: Cross multiply
124,568,077.20x = 186,852,115.80 × 117,393,623.70 - Step 4: Simplify right side
124,568,077.20x = 21,935,246,969,774,028 - Step 5: Solve for x
x = 21,935,246,969,774,028/124,568,077.20 - Step 6: Final answer
x = 176,090,435.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.