Finding the Fourth Proportional to 201,780,214.40, 302,670,321.60 and 56,236,239.20
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Solution
The fourth proportional to 201,780,214.40, 302,670,321.60 and 56,236,239.20 is: 84,354,358.80
Step by Step Solution
- Step 1: Write the proportion equation
201,780,214.40 : 302,670,321.60 = 56,236,239.20 : x - Step 2: Convert to fraction form
201,780,214.40/302,670,321.60 = 56,236,239.20/x - Step 3: Cross multiply
201,780,214.40x = 302,670,321.60 × 56,236,239.20 - Step 4: Simplify right side
201,780,214.40x = 17,021,040,604,238,528 - Step 5: Solve for x
x = 17,021,040,604,238,528/201,780,214.40 - Step 6: Final answer
x = 84,354,358.80
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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.