Finding the Fourth Proportional to 62,190,420, 85,850,299.36 and 40,174,654.02
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Solution
The fourth proportional to 62,190,420, 85,850,299.36 and 40,174,654.02 is: 55,458,800.15
Step by Step Solution
- Step 1: Write the proportion equation
62,190,420 : 85,850,299.36 = 40,174,654.02 : x - Step 2: Convert to fraction form
62,190,420/85,850,299.36 = 40,174,654.02/x - Step 3: Cross multiply
62,190,420x = 85,850,299.36 × 40,174,654.02 - Step 4: Simplify right side
62,190,420x = 3,449,006,074,301,427.50 - Step 5: Solve for x
x = 3,449,006,074,301,427.50/62,190,420 - Step 6: Final answer
x = 55,458,800.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.