Finding the Fourth Proportional to 122,081,616, 183,122,489.64 and 45,394,679.70
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Solution
The fourth proportional to 122,081,616, 183,122,489.64 and 45,394,679.70 is: 68,092,043.96
Step by Step Solution
- Step 1: Write the proportion equation
122,081,616 : 183,122,489.64 = 45,394,679.70 : x - Step 2: Convert to fraction form
122,081,616/183,122,489.64 = 45,394,679.70/x - Step 3: Cross multiply
122,081,616x = 183,122,489.64 × 45,394,679.70 - Step 4: Simplify right side
122,081,616x = 8,312,786,763,074,368 - Step 5: Solve for x
x = 8,312,786,763,074,368/122,081,616 - Step 6: Final answer
x = 68,092,043.96
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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.