Finding the Fourth Proportional to 220,907,909.63, 331,409,696.57 and 84,593,297.99
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Solution
The fourth proportional to 220,907,909.63, 331,409,696.57 and 84,593,297.99 is: 126,908,263.56
Step by Step Solution
- Step 1: Write the proportion equation
220,907,909.63 : 331,409,696.57 = 84,593,297.99 : x - Step 2: Convert to fraction form
220,907,909.63/331,409,696.57 = 84,593,297.99/x - Step 3: Cross multiply
220,907,909.63x = 331,409,696.57 × 84,593,297.99 - Step 4: Simplify right side
220,907,909.63x = 28,035,039,216,641,476 - Step 5: Solve for x
x = 28,035,039,216,641,476/220,907,909.63 - Step 6: Final answer
x = 126,908,263.56
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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.