Finding the Fourth Proportional to 107,802,129.60, 161,703,194.40 and 39,630,715.20
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Solution
The fourth proportional to 107,802,129.60, 161,703,194.40 and 39,630,715.20 is: 59,446,072.80
Step by Step Solution
- Step 1: Write the proportion equation
107,802,129.60 : 161,703,194.40 = 39,630,715.20 : x - Step 2: Convert to fraction form
107,802,129.60/161,703,194.40 = 39,630,715.20/x - Step 3: Cross multiply
107,802,129.60x = 161,703,194.40 × 39,630,715.20 - Step 4: Simplify right side
107,802,129.60x = 6,408,413,244,196,636 - Step 5: Solve for x
x = 6,408,413,244,196,636/107,802,129.60 - Step 6: Final answer
x = 59,446,072.80
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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.