Finding the Fourth Proportional to 160,497,000.09, 221,553,660.92 and 108,356,660.19
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Solution
The fourth proportional to 160,497,000.09, 221,553,660.92 and 108,356,660.19 is: 149,577,965.55
Step by Step Solution
- Step 1: Write the proportion equation
160,497,000.09 : 221,553,660.92 = 108,356,660.19 : x - Step 2: Convert to fraction form
160,497,000.09/221,553,660.92 = 108,356,660.19/x - Step 3: Cross multiply
160,497,000.09x = 221,553,660.92 × 108,356,660.19 - Step 4: Simplify right side
160,497,000.09x = 24,006,814,749,617,140 - Step 5: Solve for x
x = 24,006,814,749,617,140/160,497,000.09 - Step 6: Final answer
x = 149,577,965.55
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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.