Finding the Fourth Proportional to 83,360,812.76, 115,039,586.05 and 48,555,745.21
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Solution
The fourth proportional to 83,360,812.76, 115,039,586.05 and 48,555,745.21 is: 67,007,897.89
Step by Step Solution
- Step 1: Write the proportion equation
83,360,812.76 : 115,039,586.05 = 48,555,745.21 : x - Step 2: Convert to fraction form
83,360,812.76/115,039,586.05 = 48,555,745.21/x - Step 3: Cross multiply
83,360,812.76x = 115,039,586.05 × 48,555,745.21 - Step 4: Simplify right side
83,360,812.76x = 5,585,832,828,898,682 - Step 5: Solve for x
x = 5,585,832,828,898,682/83,360,812.76 - Step 6: Final answer
x = 67,007,897.89
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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.