Finding the Fourth Proportional to 163,434,756.62, 225,541,485.52 and 90,098,523.02
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Solution
The fourth proportional to 163,434,756.62, 225,541,485.52 and 90,098,523.02 is: 124,336,800.48
Step by Step Solution
- Step 1: Write the proportion equation
163,434,756.62 : 225,541,485.52 = 90,098,523.02 : x - Step 2: Convert to fraction form
163,434,756.62/225,541,485.52 = 90,098,523.02/x - Step 3: Cross multiply
163,434,756.62x = 225,541,485.52 × 90,098,523.02 - Step 4: Simplify right side
163,434,756.62x = 20,320,954,725,088,716 - Step 5: Solve for x
x = 20,320,954,725,088,716/163,434,756.62 - Step 6: Final answer
x = 124,336,800.48
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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.