Finding the Fourth Proportional to 186,748,564.19, 257,734,877.09 and 155,331,184.68
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Solution
The fourth proportional to 186,748,564.19, 257,734,877.09 and 155,331,184.68 is: 214,375,216.03
Step by Step Solution
- Step 1: Write the proportion equation
186,748,564.19 : 257,734,877.09 = 155,331,184.68 : x - Step 2: Convert to fraction form
186,748,564.19/257,734,877.09 = 155,331,184.68/x - Step 3: Cross multiply
186,748,564.19x = 257,734,877.09 × 155,331,184.68 - Step 4: Simplify right side
186,748,564.19x = 40,034,263,790,967,240 - Step 5: Solve for x
x = 40,034,263,790,967,240/186,748,564.19 - Step 6: Final answer
x = 214,375,216.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.