Finding the Fourth Proportional to 107,958,428.30, 161,937,642.45 and 97,544,809.10
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Solution
The fourth proportional to 107,958,428.30, 161,937,642.45 and 97,544,809.10 is: 146,317,213.65
Step by Step Solution
- Step 1: Write the proportion equation
107,958,428.30 : 161,937,642.45 = 97,544,809.10 : x - Step 2: Convert to fraction form
107,958,428.30/161,937,642.45 = 97,544,809.10/x - Step 3: Cross multiply
107,958,428.30x = 161,937,642.45 × 97,544,809.10 - Step 4: Simplify right side
107,958,428.30x = 15,796,176,418,889,304 - Step 5: Solve for x
x = 15,796,176,418,889,304/107,958,428.30 - Step 6: Final answer
x = 146,317,213.65
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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.