Finding the Fourth Proportional to 107,982,562.90, 161,988,052.35 and 39,873,097.30
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Solution
The fourth proportional to 107,982,562.90, 161,988,052.35 and 39,873,097.30 is: 59,814,892.32
Step by Step Solution
- Step 1: Write the proportion equation
107,982,562.90 : 161,988,052.35 = 39,873,097.30 : x - Step 2: Convert to fraction form
107,982,562.90/161,988,052.35 = 39,873,097.30/x - Step 3: Cross multiply
107,982,562.90x = 161,988,052.35 × 39,873,097.30 - Step 4: Simplify right side
107,982,562.90x = 6,458,965,372,789,043 - Step 5: Solve for x
x = 6,458,965,372,789,043/107,982,562.90 - Step 6: Final answer
x = 59,814,892.32
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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.