Finding the Fourth Proportional to 160,177,408.15, 221,053,405.85 and 89,608,808.68
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Solution
The fourth proportional to 160,177,408.15, 221,053,405.85 and 89,608,808.68 is: 123,664,957.38
Step by Step Solution
- Step 1: Write the proportion equation
160,177,408.15 : 221,053,405.85 = 89,608,808.68 : x - Step 2: Convert to fraction form
160,177,408.15/221,053,405.85 = 89,608,808.68/x - Step 3: Cross multiply
160,177,408.15x = 221,053,405.85 × 89,608,808.68 - Step 4: Simplify right side
160,177,408.15x = 19,808,332,352,875,044 - Step 5: Solve for x
x = 19,808,332,352,875,044/160,177,408.15 - Step 6: Final answer
x = 123,664,957.38
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1.5x scale
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.