Finding the Fourth Proportional to 115,313,313.15, 159,132,356.19 and 63,102,334.97
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Solution
The fourth proportional to 115,313,313.15, 159,132,356.19 and 63,102,334.97 is: 87,081,213.53
Step by Step Solution
- Step 1: Write the proportion equation
115,313,313.15 : 159,132,356.19 = 63,102,334.97 : x - Step 2: Convert to fraction form
115,313,313.15/159,132,356.19 = 63,102,334.97/x - Step 3: Cross multiply
115,313,313.15x = 159,132,356.19 × 63,102,334.97 - Step 4: Simplify right side
115,313,313.15x = 10,041,623,245,264,564 - Step 5: Solve for x
x = 10,041,623,245,264,564/115,313,313.15 - Step 6: Final answer
x = 87,081,213.53
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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.