Finding the Fourth Proportional to 201,793,581.70, 302,690,372.55 and 99,756,909.70
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Solution
The fourth proportional to 201,793,581.70, 302,690,372.55 and 99,756,909.70 is: 149,635,364.55
Step by Step Solution
- Step 1: Write the proportion equation
201,793,581.70 : 302,690,372.55 = 99,756,909.70 : x - Step 2: Convert to fraction form
201,793,581.70/302,690,372.55 = 99,756,909.70/x - Step 3: Cross multiply
201,793,581.70x = 302,690,372.55 × 99,756,909.70 - Step 4: Simplify right side
201,793,581.70x = 30,195,456,161,529,712 - Step 5: Solve for x
x = 30,195,456,161,529,712/201,793,581.70 - Step 6: Final answer
x = 149,635,364.55
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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.