Finding the Fourth Proportional to 90,303,952.08, 135,455,668.92 and 32,795,991.12
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Solution
The fourth proportional to 90,303,952.08, 135,455,668.92 and 32,795,991.12 is: 49,193,892.55
Step by Step Solution
- Step 1: Write the proportion equation
90,303,952.08 : 135,455,668.92 = 32,795,991.12 : x - Step 2: Convert to fraction form
90,303,952.08/135,455,668.92 = 32,795,991.12/x - Step 3: Cross multiply
90,303,952.08x = 135,455,668.92 × 32,795,991.12 - Step 4: Simplify right side
90,303,952.08x = 4,442,402,915,053,979.50 - Step 5: Solve for x
x = 4,442,402,915,053,979.50/90,303,952.08 - Step 6: Final answer
x = 49,193,892.55
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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.