Finding the Fourth Proportional to 201,659,775.40, 302,237,720.70 and 147,744,101.80
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Solution
The fourth proportional to 201,659,775.40, 302,237,720.70 and 147,744,101.80 is: 221,431,569.52
Step by Step Solution
- Step 1: Write the proportion equation
201,659,775.40 : 302,237,720.70 = 147,744,101.80 : x - Step 2: Convert to fraction form
201,659,775.40/302,237,720.70 = 147,744,101.80/x - Step 3: Cross multiply
201,659,775.40x = 302,237,720.70 × 147,744,101.80 - Step 4: Simplify right side
201,659,775.40x = 44,653,840,574,900,768 - Step 5: Solve for x
x = 44,653,840,574,900,768/201,659,775.40 - Step 6: Final answer
x = 221,431,569.52
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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.