Finding the Fourth Proportional to 57,370,942.80, 86,081,827.14 and 30,070,747.62
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Solution
The fourth proportional to 57,370,942.80, 86,081,827.14 and 30,070,747.62 is: 45,119,441.52
Step by Step Solution
- Step 1: Write the proportion equation
57,370,942.80 : 86,081,827.14 = 30,070,747.62 : x - Step 2: Convert to fraction form
57,370,942.80/86,081,827.14 = 30,070,747.62/x - Step 3: Cross multiply
57,370,942.80x = 86,081,827.14 × 30,070,747.62 - Step 4: Simplify right side
57,370,942.80x = 2,588,544,898,595,406.50 - Step 5: Solve for x
x = 2,588,544,898,595,406.50/57,370,942.80 - Step 6: Final answer
x = 45,119,441.52
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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.