Finding the Fourth Proportional to 75,357,366.68, 113,015,635.72 and 20,756,966.68
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Solution
The fourth proportional to 75,357,366.68, 113,015,635.72 and 20,756,966.68 is: 31,129,826.96
Step by Step Solution
- Step 1: Write the proportion equation
75,357,366.68 : 113,015,635.72 = 20,756,966.68 : x - Step 2: Convert to fraction form
75,357,366.68/113,015,635.72 = 20,756,966.68/x - Step 3: Cross multiply
75,357,366.68x = 113,015,635.72 × 20,756,966.68 - Step 4: Simplify right side
75,357,366.68x = 2,345,861,784,959,058 - Step 5: Solve for x
x = 2,345,861,784,959,058/75,357,366.68 - Step 6: Final answer
x = 31,129,826.96
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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.