Finding the Fourth Proportional to 340,638,935.09, 510,951,069.70 and 94,989,029.81
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Solution
The fourth proportional to 340,638,935.09, 510,951,069.70 and 94,989,029.81 is: 142,481,499.88
Step by Step Solution
- Step 1: Write the proportion equation
340,638,935.09 : 510,951,069.70 = 94,989,029.81 : x - Step 2: Convert to fraction form
340,638,935.09/510,951,069.70 = 94,989,029.81/x - Step 3: Cross multiply
340,638,935.09x = 510,951,069.70 × 94,989,029.81 - Step 4: Simplify right side
340,638,935.09x = 48,534,746,388,392,464 - Step 5: Solve for x
x = 48,534,746,388,392,464/340,638,935.09 - Step 6: Final answer
x = 142,481,499.88
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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.