Finding the Fourth Proportional to 69,772,059.99, 96,283,745.15 and 38,409,853.73
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Solution
The fourth proportional to 69,772,059.99, 96,283,745.15 and 38,409,853.73 is: 53,004,663.58
Step by Step Solution
- Step 1: Write the proportion equation
69,772,059.99 : 96,283,745.15 = 38,409,853.73 : x - Step 2: Convert to fraction form
69,772,059.99/96,283,745.15 = 38,409,853.73/x - Step 3: Cross multiply
69,772,059.99x = 96,283,745.15 × 38,409,853.73 - Step 4: Simplify right side
69,772,059.99x = 3,698,244,567,114,629 - Step 5: Solve for x
x = 3,698,244,567,114,629/69,772,059.99 - Step 6: Final answer
x = 53,004,663.58
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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.