Finding the Fourth Proportional to 55,118,749.08, 76,063,270.11 and 30,338,406.12
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Solution
The fourth proportional to 55,118,749.08, 76,063,270.11 and 30,338,406.12 is: 41,866,668.20
Step by Step Solution
- Step 1: Write the proportion equation
55,118,749.08 : 76,063,270.11 = 30,338,406.12 : x - Step 2: Convert to fraction form
55,118,749.08/76,063,270.11 = 30,338,406.12/x - Step 3: Cross multiply
55,118,749.08x = 76,063,270.11 × 30,338,406.12 - Step 4: Simplify right side
55,118,749.08x = 2,307,638,379,412,437 - Step 5: Solve for x
x = 2,307,638,379,412,437/55,118,749.08 - Step 6: Final answer
x = 41,866,668.20
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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.