Finding the Fourth Proportional to 124,857,768.60, 187,286,652.90 and 122,306,851.80
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Solution
The fourth proportional to 124,857,768.60, 187,286,652.90 and 122,306,851.80 is: 183,460,277.70
Step by Step Solution
- Step 1: Write the proportion equation
124,857,768.60 : 187,286,652.90 = 122,306,851.80 : x - Step 2: Convert to fraction form
124,857,768.60/187,286,652.90 = 122,306,851.80/x - Step 3: Cross multiply
124,857,768.60x = 187,286,652.90 × 122,306,851.80 - Step 4: Simplify right side
124,857,768.60x = 22,906,440,900,358,340 - Step 5: Solve for x
x = 22,906,440,900,358,340/124,857,768.60 - Step 6: Final answer
x = 183,460,277.70
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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.