Finding the Fourth Proportional to 81,441,296.36, 122,220,228.09 and 29,625,798.86
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Solution
The fourth proportional to 81,441,296.36, 122,220,228.09 and 29,625,798.86 is: 44,459,900.02
Step by Step Solution
- Step 1: Write the proportion equation
81,441,296.36 : 122,220,228.09 = 29,625,798.86 : x - Step 2: Convert to fraction form
81,441,296.36/122,220,228.09 = 29,625,798.86/x - Step 3: Cross multiply
81,441,296.36x = 122,220,228.09 × 29,625,798.86 - Step 4: Simplify right side
81,441,296.36x = 3,620,871,894,017,662 - Step 5: Solve for x
x = 3,620,871,894,017,662/81,441,296.36 - Step 6: Final answer
x = 44,459,900.02
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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.