Finding the Fourth Proportional to 97,708,805.60, 136,613,168.80 and 97,708,805.60
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Solution
The fourth proportional to 97,708,805.60, 136,613,168.80 and 97,708,805.60 is: 136,613,168.80
Step by Step Solution
- Step 1: Write the proportion equation
97,708,805.60 : 136,613,168.80 = 97,708,805.60 : x - Step 2: Convert to fraction form
97,708,805.60/136,613,168.80 = 97,708,805.60/x - Step 3: Cross multiply
97,708,805.60x = 136,613,168.80 × 97,708,805.60 - Step 4: Simplify right side
97,708,805.60x = 13,348,309,552,679,186 - Step 5: Solve for x
x = 13,348,309,552,679,186/97,708,805.60 - Step 6: Final answer
x = 136,613,168.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.