Finding the Fourth Proportional to 75,031,950.20, 112,553,601.55 and 23,221,793.05
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Solution
The fourth proportional to 75,031,950.20, 112,553,601.55 and 23,221,793.05 is: 34,834,446.33
Step by Step Solution
- Step 1: Write the proportion equation
75,031,950.20 : 112,553,601.55 = 23,221,793.05 : x - Step 2: Convert to fraction form
75,031,950.20/112,553,601.55 = 23,221,793.05/x - Step 3: Cross multiply
75,031,950.20x = 112,553,601.55 × 23,221,793.05 - Step 4: Simplify right side
75,031,950.20x = 2,613,696,442,733,079 - Step 5: Solve for x
x = 2,613,696,442,733,079/75,031,950.20 - Step 6: Final answer
x = 34,834,446.33
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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.