Finding the Fourth Proportional to 286,959,553.32, 430,436,493.36 and 131,469,256.02
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Solution
The fourth proportional to 286,959,553.32, 430,436,493.36 and 131,469,256.02 is: 197,202,584.45
Step by Step Solution
- Step 1: Write the proportion equation
286,959,553.32 : 430,436,493.36 = 131,469,256.02 : x - Step 2: Convert to fraction form
286,959,553.32/430,436,493.36 = 131,469,256.02/x - Step 3: Cross multiply
286,959,553.32x = 430,436,493.36 × 131,469,256.02 - Step 4: Simplify right side
286,959,553.32x = 56,589,165,545,896,872 - Step 5: Solve for x
x = 56,589,165,545,896,872/286,959,553.32 - Step 6: Final answer
x = 197,202,584.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.