Finding the Fourth Proportional to 115,209,260.19, 158,975,721.36 and 68,167,775.93
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Solution
The fourth proportional to 115,209,260.19, 158,975,721.36 and 68,167,775.93 is: 94,063,804.71
Step by Step Solution
- Step 1: Write the proportion equation
115,209,260.19 : 158,975,721.36 = 68,167,775.93 : x - Step 2: Convert to fraction form
115,209,260.19/158,975,721.36 = 68,167,775.93/x - Step 3: Cross multiply
115,209,260.19x = 158,975,721.36 × 68,167,775.93 - Step 4: Simplify right side
115,209,260.19x = 10,837,021,351,183,716 - Step 5: Solve for x
x = 10,837,021,351,183,716/115,209,260.19 - Step 6: Final answer
x = 94,063,804.71
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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.