Finding the Fourth Proportional to 84,356,209.20, 126,488,794.92 and 38,272,926
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Solution
The fourth proportional to 84,356,209.20, 126,488,794.92 and 38,272,926 is: 57,388,736.81
Step by Step Solution
- Step 1: Write the proportion equation
84,356,209.20 : 126,488,794.92 = 38,272,926 : x - Step 2: Convert to fraction form
84,356,209.20/126,488,794.92 = 38,272,926/x - Step 3: Cross multiply
84,356,209.20x = 126,488,794.92 × 38,272,926 - Step 4: Simplify right side
84,356,209.20x = 4,841,096,287,802,336 - Step 5: Solve for x
x = 4,841,096,287,802,336/84,356,209.20 - Step 6: Final answer
x = 57,388,736.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.