Finding the Fourth Proportional to 201,465,315.10, 302,197,972.65 and 161,154,531.10
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Solution
The fourth proportional to 201,465,315.10, 302,197,972.65 and 161,154,531.10 is: 241,731,796.65
Step by Step Solution
- Step 1: Write the proportion equation
201,465,315.10 : 302,197,972.65 = 161,154,531.10 : x - Step 2: Convert to fraction form
201,465,315.10/302,197,972.65 = 161,154,531.10/x - Step 3: Cross multiply
201,465,315.10x = 302,197,972.65 × 161,154,531.10 - Step 4: Simplify right side
201,465,315.10x = 48,700,572,581,781,368 - Step 5: Solve for x
x = 48,700,572,581,781,368/201,465,315.10 - Step 6: Final answer
x = 241,731,796.65
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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.