Finding the Fourth Proportional to 126,612,435.23, 174,725,160.62 and 68,665,683.23
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Solution
The fourth proportional to 126,612,435.23, 174,725,160.62 and 68,665,683.23 is: 94,758,642.86
Step by Step Solution
- Step 1: Write the proportion equation
126,612,435.23 : 174,725,160.62 = 68,665,683.23 : x - Step 2: Convert to fraction form
126,612,435.23/174,725,160.62 = 68,665,683.23/x - Step 3: Cross multiply
126,612,435.23x = 174,725,160.62 × 68,665,683.23 - Step 4: Simplify right side
126,612,435.23x = 11,997,622,532,443,912 - Step 5: Solve for x
x = 11,997,622,532,443,912/126,612,435.23 - Step 6: Final answer
x = 94,758,642.86
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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.