Finding the Fourth Proportional to 232,172,166.42, 348,246,772.74 and 86,594,387.52
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Solution
The fourth proportional to 232,172,166.42, 348,246,772.74 and 86,594,387.52 is: 129,887,300.69
Step by Step Solution
- Step 1: Write the proportion equation
232,172,166.42 : 348,246,772.74 = 86,594,387.52 : x - Step 2: Convert to fraction form
232,172,166.42/348,246,772.74 = 86,594,387.52/x - Step 3: Cross multiply
232,172,166.42x = 348,246,772.74 × 86,594,387.52 - Step 4: Simplify right side
232,172,166.42x = 30,156,215,991,236,932 - Step 5: Solve for x
x = 30,156,215,991,236,932/232,172,166.42 - Step 6: Final answer
x = 129,887,300.69
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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.