Finding the Fourth Proportional to 129,395,621.11, 194,028,527.98 and 43,103,690.23
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Solution
The fourth proportional to 129,395,621.11, 194,028,527.98 and 43,103,690.23 is: 64,633,914.92
Step by Step Solution
- Step 1: Write the proportion equation
129,395,621.11 : 194,028,527.98 = 43,103,690.23 : x - Step 2: Convert to fraction form
129,395,621.11/194,028,527.98 = 43,103,690.23/x - Step 3: Cross multiply
129,395,621.11x = 194,028,527.98 × 43,103,690.23 - Step 4: Simplify right side
129,395,621.11x = 8,363,345,565,832,807 - Step 5: Solve for x
x = 8,363,345,565,832,807/129,395,621.11 - Step 6: Final answer
x = 64,633,914.92
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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.