Finding the Fourth Proportional to 163,322,560.40, 225,385,030.68 and 89,983,701.68
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Solution
The fourth proportional to 163,322,560.40, 225,385,030.68 and 89,983,701.68 is: 124,177,451.75
Step by Step Solution
- Step 1: Write the proportion equation
163,322,560.40 : 225,385,030.68 = 89,983,701.68 : x - Step 2: Convert to fraction form
163,322,560.40/225,385,030.68 = 89,983,701.68/x - Step 3: Cross multiply
163,322,560.40x = 225,385,030.68 × 89,983,701.68 - Step 4: Simplify right side
163,322,560.40x = 20,280,979,363,846,768 - Step 5: Solve for x
x = 20,280,979,363,846,768/163,322,560.40 - Step 6: Final answer
x = 124,177,451.75
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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.