Finding the Fourth Proportional to 199,725,358.41, 275,629,506.68 and 111,619,353.49
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Solution
The fourth proportional to 199,725,358.41, 275,629,506.68 and 111,619,353.49 is: 154,039,464.91
Step by Step Solution
- Step 1: Write the proportion equation
199,725,358.41 : 275,629,506.68 = 111,619,353.49 : x - Step 2: Convert to fraction form
199,725,358.41/275,629,506.68 = 111,619,353.49/x - Step 3: Cross multiply
199,725,358.41x = 275,629,506.68 × 111,619,353.49 - Step 4: Simplify right side
199,725,358.41x = 30,765,587,337,831,140 - Step 5: Solve for x
x = 30,765,587,337,831,140/199,725,358.41 - Step 6: Final answer
x = 154,039,464.91
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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.