Finding the Fourth Proportional to 135,256,487,038.72, 202,708,239,005.76 and 75,562,738,093.60
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Solution
The fourth proportional to 135,256,487,038.72, 202,708,239,005.76 and 75,562,738,093.60 is: 113,245,507,914.33
Step by Step Solution
- Step 1: Write the proportion equation
135,256,487,038.72 : 202,708,239,005.76 = 75,562,738,093.60 : x - Step 2: Convert to fraction form
135,256,487,038.72/202,708,239,005.76 = 75,562,738,093.60/x - Step 3: Cross multiply
135,256,487,038.72x = 202,708,239,005.76 × 75,562,738,093.60 - Step 4: Simplify right side
135,256,487,038.72x = 15,317,189,573,407,116,623,872 - Step 5: Solve for x
x = 15,317,189,573,407,116,623,872/135,256,487,038.72 - Step 6: Final answer
x = 113,245,507,914.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.