Finding the Fourth Proportional to 79,754,449.56, 119,632,623.68 and 22,243,221.60
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Solution
The fourth proportional to 79,754,449.56, 119,632,623.68 and 22,243,221.60 is: 33,365,097.17
Step by Step Solution
- Step 1: Write the proportion equation
79,754,449.56 : 119,632,623.68 = 22,243,221.60 : x - Step 2: Convert to fraction form
79,754,449.56/119,632,623.68 = 22,243,221.60/x - Step 3: Cross multiply
79,754,449.56x = 119,632,623.68 × 22,243,221.60 - Step 4: Simplify right side
79,754,449.56x = 2,661,014,959,103,648 - Step 5: Solve for x
x = 2,661,014,959,103,648/79,754,449.56 - Step 6: Final answer
x = 33,365,097.17
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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.