Finding the Fourth Proportional to 68,287,890.16, 94,239,741.36 and 38,923,653.52
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Solution
The fourth proportional to 68,287,890.16, 94,239,741.36 and 38,923,653.52 is: 53,716,040.02
Step by Step Solution
- Step 1: Write the proportion equation
68,287,890.16 : 94,239,741.36 = 38,923,653.52 : x - Step 2: Convert to fraction form
68,287,890.16/94,239,741.36 = 38,923,653.52/x - Step 3: Cross multiply
68,287,890.16x = 94,239,741.36 × 38,923,653.52 - Step 4: Simplify right side
68,287,890.16x = 3,668,155,040,511,054 - Step 5: Solve for x
x = 3,668,155,040,511,054/68,287,890.16 - Step 6: Final answer
x = 53,716,040.02
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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.