Finding the Fourth Proportional to 115,313,335.68, 159,132,387.24 and 63,102,357.54
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Solution
The fourth proportional to 115,313,335.68, 159,132,387.24 and 63,102,357.54 is: 87,081,244.65
Step by Step Solution
- Step 1: Write the proportion equation
115,313,335.68 : 159,132,387.24 = 63,102,357.54 : x - Step 2: Convert to fraction form
115,313,335.68/159,132,387.24 = 63,102,357.54/x - Step 3: Cross multiply
115,313,335.68x = 159,132,387.24 × 63,102,357.54 - Step 4: Simplify right side
115,313,335.68x = 10,041,628,795,812,214 - Step 5: Solve for x
x = 10,041,628,795,812,214/115,313,335.68 - Step 6: Final answer
x = 87,081,244.65
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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.