Finding the Fourth Proportional to 95,843,603.80, 143,765,405.70 and 65,610,515.80
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Solution
The fourth proportional to 95,843,603.80, 143,765,405.70 and 65,610,515.80 is: 98,415,773.70
Step by Step Solution
- Step 1: Write the proportion equation
95,843,603.80 : 143,765,405.70 = 65,610,515.80 : x - Step 2: Convert to fraction form
95,843,603.80/143,765,405.70 = 65,610,515.80/x - Step 3: Cross multiply
95,843,603.80x = 143,765,405.70 × 65,610,515.80 - Step 4: Simplify right side
95,843,603.80x = 9,432,522,422,173,258 - Step 5: Solve for x
x = 9,432,522,422,173,258/95,843,603.80 - Step 6: Final answer
x = 98,415,773.70
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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.