Finding the Fourth Proportional to 235,486,033.20, 353,238,789.60 and 69,489,540
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Solution
The fourth proportional to 235,486,033.20, 353,238,789.60 and 69,489,540 is: 104,237,184.12
Step by Step Solution
- Step 1: Write the proportion equation
235,486,033.20 : 353,238,789.60 = 69,489,540 : x - Step 2: Convert to fraction form
235,486,033.20/353,238,789.60 = 69,489,540/x - Step 3: Cross multiply
235,486,033.20x = 353,238,789.60 × 69,489,540 - Step 4: Simplify right side
235,486,033.20x = 24,546,400,999,460,784 - Step 5: Solve for x
x = 24,546,400,999,460,784/235,486,033.20 - Step 6: Final answer
x = 104,237,184.12
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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.