Finding the Fourth Proportional to 293,343,436.80, 440,074,204.20 and 86,081,446.80
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Solution
The fourth proportional to 293,343,436.80, 440,074,204.20 and 86,081,446.80 is: 129,139,498.09
Step by Step Solution
- Step 1: Write the proportion equation
293,343,436.80 : 440,074,204.20 = 86,081,446.80 : x - Step 2: Convert to fraction form
293,343,436.80/440,074,204.20 = 86,081,446.80/x - Step 3: Cross multiply
293,343,436.80x = 440,074,204.20 × 86,081,446.80 - Step 4: Simplify right side
293,343,436.80x = 37,882,224,196,894,632 - Step 5: Solve for x
x = 37,882,224,196,894,632/293,343,436.80 - Step 6: Final answer
x = 129,139,498.09
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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.