Finding the Fourth Proportional to 168,970,913.64, 233,153,226.18 and 98,418,135.24
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Solution
The fourth proportional to 168,970,913.64, 233,153,226.18 and 98,418,135.24 is: 135,801,513.12
Step by Step Solution
- Step 1: Write the proportion equation
168,970,913.64 : 233,153,226.18 = 98,418,135.24 : x - Step 2: Convert to fraction form
168,970,913.64/233,153,226.18 = 98,418,135.24/x - Step 3: Cross multiply
168,970,913.64x = 233,153,226.18 × 98,418,135.24 - Step 4: Simplify right side
168,970,913.64x = 22,946,505,745,825,548 - Step 5: Solve for x
x = 22,946,505,745,825,548/168,970,913.64 - Step 6: Final answer
x = 135,801,513.12
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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.