Finding the Fourth Proportional to 126,296,268.48, 174,288,848.16 and 68,349,516.48
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Solution
The fourth proportional to 126,296,268.48, 174,288,848.16 and 68,349,516.48 is: 94,322,331.47
Step by Step Solution
- Step 1: Write the proportion equation
126,296,268.48 : 174,288,848.16 = 68,349,516.48 : x - Step 2: Convert to fraction form
126,296,268.48/174,288,848.16 = 68,349,516.48/x - Step 3: Cross multiply
126,296,268.48x = 174,288,848.16 × 68,349,516.48 - Step 4: Simplify right side
126,296,268.48x = 11,912,558,499,592,138 - Step 5: Solve for x
x = 11,912,558,499,592,138/126,296,268.48 - Step 6: Final answer
x = 94,322,331.47
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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.