Finding the Fourth Proportional to 97,431,090.57, 146,128,975.83 and 39,136,419.68
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Solution
The fourth proportional to 97,431,090.57, 146,128,975.83 and 39,136,419.68 is: 58,697,535.78
Step by Step Solution
- Step 1: Write the proportion equation
97,431,090.57 : 146,128,975.83 = 39,136,419.68 : x - Step 2: Convert to fraction form
97,431,090.57/146,128,975.83 = 39,136,419.68/x - Step 3: Cross multiply
97,431,090.57x = 146,128,975.83 × 39,136,419.68 - Step 4: Simplify right side
97,431,090.57x = 5,718,964,924,760,812 - Step 5: Solve for x
x = 5,718,964,924,760,812/97,431,090.57 - Step 6: Final answer
x = 58,697,535.78
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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.