Finding the Fourth Proportional to 159,489,329.40, 239,233,994.10 and 44,473,687.20
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Solution
The fourth proportional to 159,489,329.40, 239,233,994.10 and 44,473,687.20 is: 66,710,530.80
Step by Step Solution
- Step 1: Write the proportion equation
159,489,329.40 : 239,233,994.10 = 44,473,687.20 : x - Step 2: Convert to fraction form
159,489,329.40/239,233,994.10 = 44,473,687.20/x - Step 3: Cross multiply
159,489,329.40x = 239,233,994.10 × 44,473,687.20 - Step 4: Simplify right side
159,489,329.40x = 10,639,617,821,210,046 - Step 5: Solve for x
x = 10,639,617,821,210,046/159,489,329.40 - Step 6: Final answer
x = 66,710,530.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.