Finding the Fourth Proportional to 195,613,291.80, 293,419,937.70 and 138,217,663.80
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Solution
The fourth proportional to 195,613,291.80, 293,419,937.70 and 138,217,663.80 is: 207,326,495.70
Step by Step Solution
- Step 1: Write the proportion equation
195,613,291.80 : 293,419,937.70 = 138,217,663.80 : x - Step 2: Convert to fraction form
195,613,291.80/293,419,937.70 = 138,217,663.80/x - Step 3: Cross multiply
195,613,291.80x = 293,419,937.70 × 138,217,663.80 - Step 4: Simplify right side
195,613,291.80x = 40,555,818,301,235,544 - Step 5: Solve for x
x = 40,555,818,301,235,544/195,613,291.80 - Step 6: Final answer
x = 207,326,495.70
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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.