Finding the Fourth Proportional to 216,028,176, 298,121,682.24 and 118,240,932.48
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Solution
The fourth proportional to 216,028,176, 298,121,682.24 and 118,240,932.48 is: 163,174,019.03
Step by Step Solution
- Step 1: Write the proportion equation
216,028,176 : 298,121,682.24 = 118,240,932.48 : x - Step 2: Convert to fraction form
216,028,176/298,121,682.24 = 118,240,932.48/x - Step 3: Cross multiply
216,028,176x = 298,121,682.24 × 118,240,932.48 - Step 4: Simplify right side
216,028,176x = 35,250,185,700,563,856 - Step 5: Solve for x
x = 35,250,185,700,563,856/216,028,176 - Step 6: Final answer
x = 163,174,019.03
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1.5x scale
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.