Finding the Fourth Proportional to 126,641,343,090.22, 174,764,418,330.09 and 68,769,205,954.18
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Solution
The fourth proportional to 126,641,343,090.22, 174,764,418,330.09 and 68,769,205,954.18 is: 94,901,159,323.95
Step by Step Solution
- Step 1: Write the proportion equation
126,641,343,090.22 : 174,764,418,330.09 = 68,769,205,954.18 : x - Step 2: Convert to fraction form
126,641,343,090.22/174,764,418,330.09 = 68,769,205,954.18/x - Step 3: Cross multiply
126,641,343,090.22x = 174,764,418,330.09 × 68,769,205,954.18 - Step 4: Simplify right side
126,641,343,090.22x = 12,018,410,277,604,427,825,152 - Step 5: Solve for x
x = 12,018,410,277,604,427,825,152/126,641,343,090.22 - Step 6: Final answer
x = 94,901,159,323.95
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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.