Finding the Fourth Proportional to 75,153,245.58, 103,709,718.90 and 44,215,404.12
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Solution
The fourth proportional to 75,153,245.58, 103,709,718.90 and 44,215,404.12 is: 61,016,222.21
Step by Step Solution
- Step 1: Write the proportion equation
75,153,245.58 : 103,709,718.90 = 44,215,404.12 : x - Step 2: Convert to fraction form
75,153,245.58/103,709,718.90 = 44,215,404.12/x - Step 3: Cross multiply
75,153,245.58x = 103,709,718.90 × 44,215,404.12 - Step 4: Simplify right side
75,153,245.58x = 4,585,567,132,335,102 - Step 5: Solve for x
x = 4,585,567,132,335,102/75,153,245.58 - Step 6: Final answer
x = 61,016,222.21
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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.