Finding the Fourth Proportional to 57,020,154.09, 78,689,472.24 and 32,239,808.62
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Solution
The fourth proportional to 57,020,154.09, 78,689,472.24 and 32,239,808.62 is: 44,491,874.25
Step by Step Solution
- Step 1: Write the proportion equation
57,020,154.09 : 78,689,472.24 = 32,239,808.62 : x - Step 2: Convert to fraction form
57,020,154.09/78,689,472.24 = 32,239,808.62/x - Step 3: Cross multiply
57,020,154.09x = 78,689,472.24 × 32,239,808.62 - Step 4: Simplify right side
57,020,154.09x = 2,536,933,525,426,402.50 - Step 5: Solve for x
x = 2,536,933,525,426,402.50/57,020,154.09 - Step 6: Final answer
x = 44,491,874.25
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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.