Finding the Fourth Proportional to 190,052,893.20, 262,272,992.64 and 103,132,765.20
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Solution
The fourth proportional to 190,052,893.20, 262,272,992.64 and 103,132,765.20 is: 142,323,215.99
Step by Step Solution
- Step 1: Write the proportion equation
190,052,893.20 : 262,272,992.64 = 103,132,765.20 : x - Step 2: Convert to fraction form
190,052,893.20/262,272,992.64 = 103,132,765.20/x - Step 3: Cross multiply
190,052,893.20x = 262,272,992.64 × 103,132,765.20 - Step 4: Simplify right side
190,052,893.20x = 27,048,938,968,242,448 - Step 5: Solve for x
x = 27,048,938,968,242,448/190,052,893.20 - Step 6: Final answer
x = 142,323,215.99
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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.