Finding the Fourth Proportional to 129,366,501.81, 193,740,399.93 and 74,613,090.17
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Solution
The fourth proportional to 129,366,501.81, 193,740,399.93 and 74,613,090.17 is: 111,741,213.73
Step by Step Solution
- Step 1: Write the proportion equation
129,366,501.81 : 193,740,399.93 = 74,613,090.17 : x - Step 2: Convert to fraction form
129,366,501.81/193,740,399.93 = 74,613,090.17/x - Step 3: Cross multiply
129,366,501.81x = 193,740,399.93 × 74,613,090.17 - Step 4: Simplify right side
129,366,501.81x = 14,455,569,928,580,252 - Step 5: Solve for x
x = 14,455,569,928,580,252/129,366,501.81 - Step 6: Final answer
x = 111,741,213.73
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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.