Finding the Fourth Proportional to 126,604,490.40, 189,880,163.19 and 35,706,821.76
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Solution
The fourth proportional to 126,604,490.40, 189,880,163.19 and 35,706,821.76 is: 53,552,738.31
Step by Step Solution
- Step 1: Write the proportion equation
126,604,490.40 : 189,880,163.19 = 35,706,821.76 : x - Step 2: Convert to fraction form
126,604,490.40/189,880,163.19 = 35,706,821.76/x - Step 3: Cross multiply
126,604,490.40x = 189,880,163.19 × 35,706,821.76 - Step 4: Simplify right side
126,604,490.40x = 6,780,017,142,785,043 - Step 5: Solve for x
x = 6,780,017,142,785,043/126,604,490.40 - Step 6: Final answer
x = 53,552,738.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.