Finding the Fourth Proportional to 239,420,975.12, 359,131,462.68 and 57,668,153.04
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Solution
The fourth proportional to 239,420,975.12, 359,131,462.68 and 57,668,153.04 is: 86,502,229.56
Step by Step Solution
- Step 1: Write the proportion equation
239,420,975.12 : 359,131,462.68 = 57,668,153.04 : x - Step 2: Convert to fraction form
239,420,975.12/359,131,462.68 = 57,668,153.04/x - Step 3: Cross multiply
239,420,975.12x = 359,131,462.68 × 57,668,153.04 - Step 4: Simplify right side
239,420,975.12x = 20,710,448,151,309,288 - Step 5: Solve for x
x = 20,710,448,151,309,288/239,420,975.12 - Step 6: Final answer
x = 86,502,229.56
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1.5x scale
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.