Finding the Fourth Proportional to 122,328,042.70, 183,492,064.05 and 73,955,101.90
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Solution
The fourth proportional to 122,328,042.70, 183,492,064.05 and 73,955,101.90 is: 110,932,652.85
Step by Step Solution
- Step 1: Write the proportion equation
122,328,042.70 : 183,492,064.05 = 73,955,101.90 : x - Step 2: Convert to fraction form
122,328,042.70/183,492,064.05 = 73,955,101.90/x - Step 3: Cross multiply
122,328,042.70x = 183,492,064.05 × 73,955,101.90 - Step 4: Simplify right side
122,328,042.70x = 13,570,174,294,659,078 - Step 5: Solve for x
x = 13,570,174,294,659,078/122,328,042.70 - Step 6: Final answer
x = 110,932,652.85
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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.