Finding the Fourth Proportional to 87,786,106.26, 121,186,835.01 and 58,466,231.70
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Solution
The fourth proportional to 87,786,106.26, 121,186,835.01 and 58,466,231.70 is: 80,711,377.65
Step by Step Solution
- Step 1: Write the proportion equation
87,786,106.26 : 121,186,835.01 = 58,466,231.70 : x - Step 2: Convert to fraction form
87,786,106.26/121,186,835.01 = 58,466,231.70/x - Step 3: Cross multiply
87,786,106.26x = 121,186,835.01 × 58,466,231.70 - Step 4: Simplify right side
87,786,106.26x = 7,085,337,574,684,332 - Step 5: Solve for x
x = 7,085,337,574,684,332/87,786,106.26 - Step 6: Final answer
x = 80,711,377.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.