Finding the Fourth Proportional to 89,945,768.39, 124,125,201.90 and 48,692,660.76
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Solution
The fourth proportional to 89,945,768.39, 124,125,201.90 and 48,692,660.76 is: 67,195,894.33
Step by Step Solution
- Step 1: Write the proportion equation
89,945,768.39 : 124,125,201.90 = 48,692,660.76 : x - Step 2: Convert to fraction form
89,945,768.39/124,125,201.90 = 48,692,660.76/x - Step 3: Cross multiply
89,945,768.39x = 124,125,201.90 × 48,692,660.76 - Step 4: Simplify right side
89,945,768.39x = 6,043,986,347,883,207 - Step 5: Solve for x
x = 6,043,986,347,883,207/89,945,768.39 - Step 6: Final answer
x = 67,195,894.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.