Finding the Fourth Proportional to 393,293,119.05, 589,939,678.58 and 102,136,351.05
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Solution
The fourth proportional to 393,293,119.05, 589,939,678.58 and 102,136,351.05 is: 153,204,526.58
Step by Step Solution
- Step 1: Write the proportion equation
393,293,119.05 : 589,939,678.58 = 102,136,351.05 : x - Step 2: Convert to fraction form
393,293,119.05/589,939,678.58 = 102,136,351.05/x - Step 3: Cross multiply
393,293,119.05x = 589,939,678.58 × 102,136,351.05 - Step 4: Simplify right side
393,293,119.05x = 60,254,286,109,260,368 - Step 5: Solve for x
x = 60,254,286,109,260,368/393,293,119.05 - Step 6: Final answer
x = 153,204,526.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.