Finding the Fourth Proportional to 113,779,885.97, 157,016,658.98 and 61,568,922.17
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Solution
The fourth proportional to 113,779,885.97, 157,016,658.98 and 61,568,922.17 is: 84,965,337.88
Step by Step Solution
- Step 1: Write the proportion equation
113,779,885.97 : 157,016,658.98 = 61,568,922.17 : x - Step 2: Convert to fraction form
113,779,885.97/157,016,658.98 = 61,568,922.17/x - Step 3: Cross multiply
113,779,885.97x = 157,016,658.98 × 61,568,922.17 - Step 4: Simplify right side
113,779,885.97x = 9,667,346,455,744,688 - Step 5: Solve for x
x = 9,667,346,455,744,688/113,779,885.97 - Step 6: Final answer
x = 84,965,337.88
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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.