Finding the Fourth Proportional to 180,020,408.60, 248,429,356.44 and 97,514,192.54
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Solution
The fourth proportional to 180,020,408.60, 248,429,356.44 and 97,514,192.54 is: 134,570,231.70
Step by Step Solution
- Step 1: Write the proportion equation
180,020,408.60 : 248,429,356.44 = 97,514,192.54 : x - Step 2: Convert to fraction form
180,020,408.60/248,429,356.44 = 97,514,192.54/x - Step 3: Cross multiply
180,020,408.60x = 248,429,356.44 × 97,514,192.54 - Step 4: Simplify right side
180,020,408.60x = 24,225,388,096,478,452 - Step 5: Solve for x
x = 24,225,388,096,478,452/180,020,408.60 - Step 6: Final answer
x = 134,570,231.70
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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.