Finding the Fourth Proportional to 126,269,590.86, 174,203,858.70 and 76,691,263.14
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Solution
The fourth proportional to 126,269,590.86, 174,203,858.70 and 76,691,263.14 is: 105,804,682.48
Step by Step Solution
- Step 1: Write the proportion equation
126,269,590.86 : 174,203,858.70 = 76,691,263.14 : x - Step 2: Convert to fraction form
126,269,590.86/174,203,858.70 = 76,691,263.14/x - Step 3: Cross multiply
126,269,590.86x = 174,203,858.70 × 76,691,263.14 - Step 4: Simplify right side
126,269,590.86x = 13,359,913,967,565,078 - Step 5: Solve for x
x = 13,359,913,967,565,078/126,269,590.86 - Step 6: Final answer
x = 105,804,682.48
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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.