Finding the Fourth Proportional to 230,438,423.51, 318,029,668.80 and 141,189,597.39
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Solution
The fourth proportional to 230,438,423.51, 318,029,668.80 and 141,189,597.39 is: 194,856,743.99
Step by Step Solution
- Step 1: Write the proportion equation
230,438,423.51 : 318,029,668.80 = 141,189,597.39 : x - Step 2: Convert to fraction form
230,438,423.51/318,029,668.80 = 141,189,597.39/x - Step 3: Cross multiply
230,438,423.51x = 318,029,668.80 × 141,189,597.39 - Step 4: Simplify right side
230,438,423.51x = 44,902,480,895,594,064 - Step 5: Solve for x
x = 44,902,480,895,594,064/230,438,423.51 - Step 6: Final answer
x = 194,856,743.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.