Finding the Fourth Proportional to 133,033,966.68, 199,504,727.76 and 74,036,372.12
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Solution
The fourth proportional to 133,033,966.68, 199,504,727.76 and 74,036,372.12 is: 111,028,834.45
Step by Step Solution
- Step 1: Write the proportion equation
133,033,966.68 : 199,504,727.76 = 74,036,372.12 : x - Step 2: Convert to fraction form
133,033,966.68/199,504,727.76 = 74,036,372.12/x - Step 3: Cross multiply
133,033,966.68x = 199,504,727.76 × 74,036,372.12 - Step 4: Simplify right side
133,033,966.68x = 14,770,606,263,141,128 - Step 5: Solve for x
x = 14,770,606,263,141,128/133,033,966.68 - Step 6: Final answer
x = 111,028,834.45
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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.