Finding the Fourth Proportional to 122,733,526.02, 169,372,221.18 and 66,978,946.62
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Solution
The fourth proportional to 122,733,526.02, 169,372,221.18 and 66,978,946.62 is: 92,430,921.93
Step by Step Solution
- Step 1: Write the proportion equation
122,733,526.02 : 169,372,221.18 = 66,978,946.62 : x - Step 2: Convert to fraction form
122,733,526.02/169,372,221.18 = 66,978,946.62/x - Step 3: Cross multiply
122,733,526.02x = 169,372,221.18 × 66,978,946.62 - Step 4: Simplify right side
122,733,526.02x = 11,344,372,961,326,054 - Step 5: Solve for x
x = 11,344,372,961,326,054/122,733,526.02 - Step 6: Final answer
x = 92,430,921.93
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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.