Finding the Fourth Proportional to 252,239,100.21, 348,089,804.33 and 136,345,596.21
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Solution
The fourth proportional to 252,239,100.21, 348,089,804.33 and 136,345,596.21 is: 188,156,839.55
Step by Step Solution
- Step 1: Write the proportion equation
252,239,100.21 : 348,089,804.33 = 136,345,596.21 : x - Step 2: Convert to fraction form
252,239,100.21/348,089,804.33 = 136,345,596.21/x - Step 3: Cross multiply
252,239,100.21x = 348,089,804.33 × 136,345,596.21 - Step 4: Simplify right side
252,239,100.21x = 47,460,511,905,314,360 - Step 5: Solve for x
x = 47,460,511,905,314,360/252,239,100.21 - Step 6: Final answer
x = 188,156,839.55
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1.5x scale
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.