Finding the Fourth Proportional to 122,214,605.60, 183,321,908.40 and 83,472,556.70
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Solution
The fourth proportional to 122,214,605.60, 183,321,908.40 and 83,472,556.70 is: 125,208,835.05
Step by Step Solution
- Step 1: Write the proportion equation
122,214,605.60 : 183,321,908.40 = 83,472,556.70 : x - Step 2: Convert to fraction form
122,214,605.60/183,321,908.40 = 83,472,556.70/x - Step 3: Cross multiply
122,214,605.60x = 183,321,908.40 × 83,472,556.70 - Step 4: Simplify right side
122,214,605.60x = 15,302,348,393,271,208 - Step 5: Solve for x
x = 15,302,348,393,271,208/122,214,605.60 - Step 6: Final answer
x = 125,208,835.05
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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.