Finding the Fourth Proportional to 228,277,091.16, 342,343,704.42 and 74,887,404.12
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Solution
The fourth proportional to 228,277,091.16, 342,343,704.42 and 74,887,404.12 is: 112,307,508.43
Step by Step Solution
- Step 1: Write the proportion equation
228,277,091.16 : 342,343,704.42 = 74,887,404.12 : x - Step 2: Convert to fraction form
228,277,091.16/342,343,704.42 = 74,887,404.12/x - Step 3: Cross multiply
228,277,091.16x = 342,343,704.42 × 74,887,404.12 - Step 4: Simplify right side
228,277,091.16x = 25,637,231,340,838,372 - Step 5: Solve for x
x = 25,637,231,340,838,372/228,277,091.16 - Step 6: Final answer
x = 112,307,508.43
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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.