Finding the Fourth Proportional to 230,922,951.75, 318,671,134.70 and 125,073,733.91
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Solution
The fourth proportional to 230,922,951.75, 318,671,134.70 and 125,073,733.91 is: 172,600,377.75
Step by Step Solution
- Step 1: Write the proportion equation
230,922,951.75 : 318,671,134.70 = 125,073,733.91 : x - Step 2: Convert to fraction form
230,922,951.75/318,671,134.70 = 125,073,733.91/x - Step 3: Cross multiply
230,922,951.75x = 318,671,134.70 × 125,073,733.91 - Step 4: Simplify right side
230,922,951.75x = 39,857,388,704,046,840 - Step 5: Solve for x
x = 39,857,388,704,046,840/230,922,951.75 - Step 6: Final answer
x = 172,600,377.75
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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.