Finding the Fourth Proportional to 213,108,394.96, 294,089,585.64 and 115,323,250.96
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Solution
The fourth proportional to 213,108,394.96, 294,089,585.64 and 115,323,250.96 is: 159,146,086.65
Step by Step Solution
- Step 1: Write the proportion equation
213,108,394.96 : 294,089,585.64 = 115,323,250.96 : x - Step 2: Convert to fraction form
213,108,394.96/294,089,585.64 = 115,323,250.96/x - Step 3: Cross multiply
213,108,394.96x = 294,089,585.64 × 115,323,250.96 - Step 4: Simplify right side
213,108,394.96x = 33,915,367,089,484,128 - Step 5: Solve for x
x = 33,915,367,089,484,128/213,108,394.96 - Step 6: Final answer
x = 159,146,086.65
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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.