Finding the Fourth Proportional to 274,493,177.63, 411,753,008.73 and 90,256,574.87
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Solution
The fourth proportional to 274,493,177.63, 411,753,008.73 and 90,256,574.87 is: 135,389,216.52
Step by Step Solution
- Step 1: Write the proportion equation
274,493,177.63 : 411,753,008.73 = 90,256,574.87 : x - Step 2: Convert to fraction form
274,493,177.63/411,753,008.73 = 90,256,574.87/x - Step 3: Cross multiply
274,493,177.63x = 411,753,008.73 × 90,256,574.87 - Step 4: Simplify right side
274,493,177.63x = 37,163,416,260,387,016 - Step 5: Solve for x
x = 37,163,416,260,387,016/274,493,177.63 - Step 6: Final answer
x = 135,389,216.52
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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.