Finding the Fourth Proportional to 69,586,322.12, 96,029,348.12 and 38,646,490.49
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Solution
The fourth proportional to 69,586,322.12, 96,029,348.12 and 38,646,490.49 is: 53,332,281.06
Step by Step Solution
- Step 1: Write the proportion equation
69,586,322.12 : 96,029,348.12 = 38,646,490.49 : x - Step 2: Convert to fraction form
69,586,322.12/96,029,348.12 = 38,646,490.49/x - Step 3: Cross multiply
69,586,322.12x = 96,029,348.12 × 38,646,490.49 - Step 4: Simplify right side
69,586,322.12x = 3,711,197,289,143,664.50 - Step 5: Solve for x
x = 3,711,197,289,143,664.50/69,586,322.12 - Step 6: Final answer
x = 53,332,281.06
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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.