Finding the Fourth Proportional to 174,386,197.58, 261,488,468.75 and 82,245,195.74
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Solution
The fourth proportional to 174,386,197.58, 261,488,468.75 and 82,245,195.74 is: 123,324,956.87
Step by Step Solution
- Step 1: Write the proportion equation
174,386,197.58 : 261,488,468.75 = 82,245,195.74 : x - Step 2: Convert to fraction form
174,386,197.58/261,488,468.75 = 82,245,195.74/x - Step 3: Cross multiply
174,386,197.58x = 261,488,468.75 × 82,245,195.74 - Step 4: Simplify right side
174,386,197.58x = 21,506,170,296,096,620 - Step 5: Solve for x
x = 21,506,170,296,096,620/174,386,197.58 - Step 6: Final answer
x = 123,324,956.87
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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.