Finding the Fourth Proportional to 83,992,998.30, 125,989,497.45 and 23,408,724.30
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Solution
The fourth proportional to 83,992,998.30, 125,989,497.45 and 23,408,724.30 is: 35,113,086.45
Step by Step Solution
- Step 1: Write the proportion equation
83,992,998.30 : 125,989,497.45 = 23,408,724.30 : x - Step 2: Convert to fraction form
83,992,998.30/125,989,497.45 = 23,408,724.30/x - Step 3: Cross multiply
83,992,998.30x = 125,989,497.45 × 23,408,724.30 - Step 4: Simplify right side
83,992,998.30x = 2,949,253,410,502,603 - Step 5: Solve for x
x = 2,949,253,410,502,603/83,992,998.30 - Step 6: Final answer
x = 35,113,086.45
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Double scale
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Similar ratio
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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.