Finding the Fourth Proportional to 122,492,277.20, 183,738,415.80 and 54,334,968.95
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Solution
The fourth proportional to 122,492,277.20, 183,738,415.80 and 54,334,968.95 is: 81,502,453.43
Step by Step Solution
- Step 1: Write the proportion equation
122,492,277.20 : 183,738,415.80 = 54,334,968.95 : x - Step 2: Convert to fraction form
122,492,277.20/183,738,415.80 = 54,334,968.95/x - Step 3: Cross multiply
122,492,277.20x = 183,738,415.80 × 54,334,968.95 - Step 4: Simplify right side
122,492,277.20x = 9,983,421,117,415,190 - Step 5: Solve for x
x = 9,983,421,117,415,190/122,492,277.20 - Step 6: Final answer
x = 81,502,453.43
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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.