Finding the Fourth Proportional to 225,095,359.10, 310,664,219.18 and 129,707,310.02
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Solution
The fourth proportional to 225,095,359.10, 310,664,219.18 and 129,707,310.02 is: 179,014,886.62
Step by Step Solution
- Step 1: Write the proportion equation
225,095,359.10 : 310,664,219.18 = 129,707,310.02 : x - Step 2: Convert to fraction form
225,095,359.10/310,664,219.18 = 129,707,310.02/x - Step 3: Cross multiply
225,095,359.10x = 310,664,219.18 × 129,707,310.02 - Step 4: Simplify right side
225,095,359.10x = 40,295,420,187,099,632 - Step 5: Solve for x
x = 40,295,420,187,099,632/225,095,359.10 - Step 6: Final answer
x = 179,014,886.62
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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.