Finding the Fourth Proportional to 122,327,029,995.92, 168,819,785,779.40 and 74,157,103,496.24
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Solution
The fourth proportional to 122,327,029,995.92, 168,819,785,779.40 and 74,157,103,496.24 is: 102,341,946,229.49
Step by Step Solution
- Step 1: Write the proportion equation
122,327,029,995.92 : 168,819,785,779.40 = 74,157,103,496.24 : x - Step 2: Convert to fraction form
122,327,029,995.92/168,819,785,779.40 = 74,157,103,496.24/x - Step 3: Cross multiply
122,327,029,995.92x = 168,819,785,779.40 × 74,157,103,496.24 - Step 4: Simplify right side
122,327,029,995.92x = 12,519,186,326,256,032,415,744 - Step 5: Solve for x
x = 12,519,186,326,256,032,415,744/122,327,029,995.92 - Step 6: Final answer
x = 102,341,946,229.49
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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.