Finding the Fourth Proportional to 126,850,753, 190,276,129.50 and 31,112,641
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Solution
The fourth proportional to 126,850,753, 190,276,129.50 and 31,112,641 is: 46,668,961.50
Step by Step Solution
- Step 1: Write the proportion equation
126,850,753 : 190,276,129.50 = 31,112,641 : x - Step 2: Convert to fraction form
126,850,753/190,276,129.50 = 31,112,641/x - Step 3: Cross multiply
126,850,753x = 190,276,129.50 × 31,112,641 - Step 4: Simplify right side
126,850,753x = 5,919,992,908,003,010 - Step 5: Solve for x
x = 5,919,992,908,003,010/126,850,753 - Step 6: Final answer
x = 46,668,961.50
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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.