Finding the Fourth Proportional to 129,458,335.30, 194,112,853.35 and 48,687,468.10
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Solution
The fourth proportional to 129,458,335.30, 194,112,853.35 and 48,687,468.10 is: 73,003,127.48
Step by Step Solution
- Step 1: Write the proportion equation
129,458,335.30 : 194,112,853.35 = 48,687,468.10 : x - Step 2: Convert to fraction form
129,458,335.30/194,112,853.35 = 48,687,468.10/x - Step 3: Cross multiply
129,458,335.30x = 194,112,853.35 × 48,687,468.10 - Step 4: Simplify right side
129,458,335.30x = 9,450,863,355,278,104 - Step 5: Solve for x
x = 9,450,863,355,278,104/129,458,335.30 - Step 6: Final answer
x = 73,003,127.48
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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.