Finding the Fourth Proportional to 81,441,295.36, 122,220,226.59 and 29,625,797.86
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Solution
The fourth proportional to 81,441,295.36, 122,220,226.59 and 29,625,797.86 is: 44,459,898.52
Step by Step Solution
- Step 1: Write the proportion equation
81,441,295.36 : 122,220,226.59 = 29,625,797.86 : x - Step 2: Convert to fraction form
81,441,295.36/122,220,226.59 = 29,625,797.86/x - Step 3: Cross multiply
81,441,295.36x = 122,220,226.59 × 29,625,797.86 - Step 4: Simplify right side
81,441,295.36x = 3,620,871,727,358,737 - Step 5: Solve for x
x = 3,620,871,727,358,737/81,441,295.36 - Step 6: Final answer
x = 44,459,898.52
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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.