Finding the Fourth Proportional to 117,008,618.48, 175,512,927.71 and 56,542,442.48
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Solution
The fourth proportional to 117,008,618.48, 175,512,927.71 and 56,542,442.48 is: 84,813,663.72
Step by Step Solution
- Step 1: Write the proportion equation
117,008,618.48 : 175,512,927.71 = 56,542,442.48 : x - Step 2: Convert to fraction form
117,008,618.48/175,512,927.71 = 56,542,442.48/x - Step 3: Cross multiply
117,008,618.48x = 175,512,927.71 × 56,542,442.48 - Step 4: Simplify right side
117,008,618.48x = 9,923,929,619,539,074 - Step 5: Solve for x
x = 9,923,929,619,539,074/117,008,618.48 - Step 6: Final answer
x = 84,813,663.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.