Finding the Fourth Proportional to 251,011,107.20, 376,516,660.80 and 89,394,723.20
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Solution
The fourth proportional to 251,011,107.20, 376,516,660.80 and 89,394,723.20 is: 134,092,084.80
Step by Step Solution
- Step 1: Write the proportion equation
251,011,107.20 : 376,516,660.80 = 89,394,723.20 : x - Step 2: Convert to fraction form
251,011,107.20/376,516,660.80 = 89,394,723.20/x - Step 3: Cross multiply
251,011,107.20x = 376,516,660.80 × 89,394,723.20 - Step 4: Simplify right side
251,011,107.20x = 33,658,602,672,404,292 - Step 5: Solve for x
x = 33,658,602,672,404,292/251,011,107.20 - Step 6: Final answer
x = 134,092,084.80
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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.