Finding the Fourth Proportional to 180,445,502.76, 248,972,096.16 and 102,129,058.68
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Solution
The fourth proportional to 180,445,502.76, 248,972,096.16 and 102,129,058.68 is: 140,913,934.84
Step by Step Solution
- Step 1: Write the proportion equation
180,445,502.76 : 248,972,096.16 = 102,129,058.68 : x - Step 2: Convert to fraction form
180,445,502.76/248,972,096.16 = 102,129,058.68/x - Step 3: Cross multiply
180,445,502.76x = 248,972,096.16 × 102,129,058.68 - Step 4: Simplify right side
180,445,502.76x = 25,427,285,818,407,244 - Step 5: Solve for x
x = 25,427,285,818,407,244/180,445,502.76 - Step 6: Final answer
x = 140,913,934.84
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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.