Finding the Fourth Proportional to 251,279,507.40, 376,639,325.10 and 97,874,579.40
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Solution
The fourth proportional to 251,279,507.40, 376,639,325.10 and 97,874,579.40 is: 146,702,832.68
Step by Step Solution
- Step 1: Write the proportion equation
251,279,507.40 : 376,639,325.10 = 97,874,579.40 : x - Step 2: Convert to fraction form
251,279,507.40/376,639,325.10 = 97,874,579.40/x - Step 3: Cross multiply
251,279,507.40x = 376,639,325.10 × 97,874,579.40 - Step 4: Simplify right side
251,279,507.40x = 36,863,415,529,662,368 - Step 5: Solve for x
x = 36,863,415,529,662,368/251,279,507.40 - Step 6: Final answer
x = 146,702,832.68
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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.