Finding the Fourth Proportional to 201,619,531.20, 302,429,296.80 and 58,012,363.20
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Solution
The fourth proportional to 201,619,531.20, 302,429,296.80 and 58,012,363.20 is: 87,018,544.80
Step by Step Solution
- Step 1: Write the proportion equation
201,619,531.20 : 302,429,296.80 = 58,012,363.20 : x - Step 2: Convert to fraction form
201,619,531.20/302,429,296.80 = 58,012,363.20/x - Step 3: Cross multiply
201,619,531.20x = 302,429,296.80 × 58,012,363.20 - Step 4: Simplify right side
201,619,531.20x = 17,544,638,208,282,200 - Step 5: Solve for x
x = 17,544,638,208,282,200/201,619,531.20 - Step 6: Final answer
x = 87,018,544.80
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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.