Finding the Fourth Proportional to 232,172,164.42, 348,246,769.74 and 86,594,385.52
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Solution
The fourth proportional to 232,172,164.42, 348,246,769.74 and 86,594,385.52 is: 129,887,297.69
Step by Step Solution
- Step 1: Write the proportion equation
232,172,164.42 : 348,246,769.74 = 86,594,385.52 : x - Step 2: Convert to fraction form
232,172,164.42/348,246,769.74 = 86,594,385.52/x - Step 3: Cross multiply
232,172,164.42x = 348,246,769.74 × 86,594,385.52 - Step 4: Simplify right side
232,172,164.42x = 30,156,215,034,960,228 - Step 5: Solve for x
x = 30,156,215,034,960,228/232,172,164.42 - Step 6: Final answer
x = 129,887,297.69
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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.